Received: (at 56683) by debbugs.gnu.org; 26 Jul 2022 13:25:38 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jul 26 09:25:38 2022 Received: from localhost ([127.0.0.1]:52675 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oGKZ8-0007Fy-2r for submit <at> debbugs.gnu.org; Tue, 26 Jul 2022 09:25:38 -0400 Received: from heytings.org ([95.142.160.155]:53606) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <gregory@HIDDEN>) id 1oGKZ2-0007Fj-HM for 56683 <at> debbugs.gnu.org; Tue, 26 Jul 2022 09:25:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658841931; bh=pup7bUxA0Nlpn1Ieft9jiCKBoE0SylZV3JvwFX8TxLA=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=X8gsHQPpMnw0ih13bSLJGeRp7u7gVfwMbBydVVAZwisfNPh1XOhTMgs6ic+ycAITP MIrZ3DdMCMpVcsEqllugiu3FDOqImwNyjJjPp7ACwTY4O6m9KYpIZQt9N19QBIYrfZ aD3TjPeVsl5Fl9YdKvzaJhwUnYNMDR9Ze7GSniEn9UrkguvUs4vb13sTsmscJp+aEa l8yHzDf380AOJkNKOJ36RIOtJX/5uhxKgYfxaQM2O9e4n+4j8B+pPtMKZHlwBbLpe/ /YD/NmsKobg2x3DGxOcERyrDtTpuSAr53py42VmVRozSO2Qf4GX9t/6Vj9D1hdbpC3 48QngYEU1TEvA== Date: Tue, 26 Jul 2022 13:25:30 +0000 From: Gregory Heytings <gregory@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <83h734c8wx.fsf@HIDDEN> Message-ID: <ad567fa90a192d1ffec9@HIDDEN> References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> <83r12djjvm.fsf@HIDDEN> <8a3eaeef01b9a103450a@HIDDEN> <835yjkdrrk.fsf@HIDDEN> <ad567fa90a52badace47@HIDDEN> <83r128cane.fsf@HIDDEN> <ad567fa90a9c133efc8a@HIDDEN> <83h734c8wx.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: gerd.moellmann@HIDDEN, andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) >> Do I understand correctly that it's okay to do that on the feature (and >> later master) branch, and that it will be perhaps be revisited later? > > I'd prefer not to do it just yet, and wait for more user feedback (once > the feature branch is merged, which I guess will be soon). > Wouldn't it be easier to get useful user feedback if that automatic disabling was present on master? If it's absent, what kind of user feedback can we expect to decide what is better for Emacs 29? >> But still, as you say, that puts a limit at around 100 MB, which isn't >> "that much" nowadays. > > Yes, it's not a solution, just a band-aid. But it costs almost nothing, > and we get to push the problematic situations farther. > It does indeed, but alas the fact that displaying such buffers is noticeably slower with truncate-lines remains. I could perhaps take a look (after finalizing and merging the current branch), but I'm not really sure it's worth the price.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 26 Jul 2022 13:15:13 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jul 26 09:15:13 2022 Received: from localhost ([127.0.0.1]:52639 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oGKP2-0006uv-RD for submit <at> debbugs.gnu.org; Tue, 26 Jul 2022 09:15:13 -0400 Received: from eggs.gnu.org ([209.51.188.92]:33110) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oGKP1-0006uf-0I for 56683 <at> debbugs.gnu.org; Tue, 26 Jul 2022 09:15:11 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:38700) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oGKOv-0001EG-PU; Tue, 26 Jul 2022 09:15:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=AdYPdsWKgFupLck0LXopU/f6OMz3lj6K5jKMjAZodh8=; b=PPwahZRiDxTa nuwTrBACPwfYKPSnjR4D9crqoDtyjbV9UV2DOP2KZgZY1eRqmsRTLfNNxXrPdzZMaaNETT0iGrUZ4 C68/S8Qv+9jRagn3U8yPStfrZMGfdFeu92dzdsQ21eR4KDQSXBoHE23xGNyTfCrWh01XJHNDVH6W9 924mFoeuws14rIrNzvClB8v1hov8xBkEdtPV9ssxIfVHN+Mwgd0Jfmt+N580rjyWTtJ79Ge3kig+x 9v1lM1eqLERbbJ+aasCgMn57GuqhwvMVIihs4CMEJxXQJXfJg/sGY2gq+yKzL780CwsQzxRnWYjaS kz9l4eAJriRC818yykGQGQ==; Received: from [87.69.77.57] (port=4439 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oGKOv-0003sh-85; Tue, 26 Jul 2022 09:15:05 -0400 Date: Tue, 26 Jul 2022 16:15:10 +0300 Message-Id: <83h734c8wx.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gregory Heytings <gregory@HIDDEN> In-Reply-To: <ad567fa90a9c133efc8a@HIDDEN> (message from Gregory Heytings on Tue, 26 Jul 2022 12:50:51 +0000) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> <83r12djjvm.fsf@HIDDEN> <8a3eaeef01b9a103450a@HIDDEN> <835yjkdrrk.fsf@HIDDEN> <ad567fa90a52badace47@HIDDEN> <83r128cane.fsf@HIDDEN> <ad567fa90a9c133efc8a@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: gerd.moellmann@HIDDEN, andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Date: Tue, 26 Jul 2022 12:50:51 +0000 > From: Gregory Heytings <gregory@HIDDEN> > cc: gerd.moellmann@HIDDEN, andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org > > >>> Maybe optionally. Or maybe displaying a message/warning suggesting > >>> that. I don't like disabling truncate-lines unconditionally in such > >>> buffers, I prefer leaving that to the user. > >> > >> The user would still have the choice to disable the automatic disabling > >> by setting long-line-threshold to nil. > > > > Yes, I understand. I still don't like it very much. But if many users > > will complain, we might change that before Emacs 29 is released. > > Do I understand correctly that it's okay to do that on the feature (and > later master) branch, and that it will be perhaps be revisited later? I'd prefer not to do it just yet, and wait for more user feedback (once the feature branch is merged, which I guess will be soon). > > No, I said making the type of the struct member current_x a ptrdiff_t or > > intmax_t will affect performance. The above doesn't propose any such > > changes, it just enlarges the "infinity" value. With that value, lines > > up to (/ (expt 2 31) 20) => 107374182 (i.e. about 107 million > > characters) per line will still display correctly with truncate-lines > > when hscrolling is required. > > Sorry, I misunderstood what you said. Now it's much clearer, indeed. > But still, as you say, that puts a limit at around 100 MB, which isn't > "that much" nowadays. Yes, it's not a solution, just a band-aid. But it costs almost nothing, and we get to push the problematic situations farther.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 26 Jul 2022 12:50:54 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jul 26 08:50:54 2022 Received: from localhost ([127.0.0.1]:52583 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oGK1W-00040g-Ck for submit <at> debbugs.gnu.org; Tue, 26 Jul 2022 08:50:54 -0400 Received: from heytings.org ([95.142.160.155]:53536) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <gregory@HIDDEN>) id 1oGK1V-00040Y-Es for 56683 <at> debbugs.gnu.org; Tue, 26 Jul 2022 08:50:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658839852; bh=oh8J8omaty/wuQwGLfTo+DcrLlRnwPVvMxZMIJRb6WQ=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=grWlE/gRy5RdC02ocMVF26yhOuMA855KtW3On1LxxOwV9ddYEbELvdF0XLxeiIlku d/mcP+kqhupW2cSo4RS/PkJFudbS/hUL+AySIXmhE/Pw8o9ILgJlXdwpoUYcMMks+R 6ADpCjfzBMqRzRevQLz9GcWWl29bVyqgvuQmL18w5ACx1aBQUN5SS3N8Lkcrv34n1H +aL+8tIUbtYdDXsEBw4ThaFg2DnVX7dj9rbjlnqtcnvE9T2tgYmc9BssveMEl+yd1q nKCMkOkM2NHLzWDc/FdRI36kJjO4ECq+dy3aDCpSH/4sGzDENm1iuAVgTJc+qBsp+q ajuY8d3xAfJAQ== Date: Tue, 26 Jul 2022 12:50:51 +0000 From: Gregory Heytings <gregory@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <83r128cane.fsf@HIDDEN> Message-ID: <ad567fa90a9c133efc8a@HIDDEN> References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> <83r12djjvm.fsf@HIDDEN> <8a3eaeef01b9a103450a@HIDDEN> <835yjkdrrk.fsf@HIDDEN> <ad567fa90a52badace47@HIDDEN> <83r128cane.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: gerd.moellmann@HIDDEN, andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) >>> Maybe optionally. Or maybe displaying a message/warning suggesting >>> that. I don't like disabling truncate-lines unconditionally in such >>> buffers, I prefer leaving that to the user. >> >> The user would still have the choice to disable the automatic disabling >> by setting long-line-threshold to nil. > > Yes, I understand. I still don't like it very much. But if many users > will complain, we might change that before Emacs 29 is released. > Do I understand correctly that it's okay to do that on the feature (and later master) branch, and that it will be perhaps be revisited later? > > No, I said making the type of the struct member current_x a ptrdiff_t or > intmax_t will affect performance. The above doesn't propose any such > changes, it just enlarges the "infinity" value. With that value, lines > up to (/ (expt 2 31) 20) => 107374182 (i.e. about 107 million > characters) per line will still display correctly with truncate-lines > when hscrolling is required. > Sorry, I misunderstood what you said. Now it's much clearer, indeed. But still, as you say, that puts a limit at around 100 MB, which isn't "that much" nowadays.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 26 Jul 2022 12:37:50 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jul 26 08:37:50 2022 Received: from localhost ([127.0.0.1]:52529 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oGJos-0001Oa-DP for submit <at> debbugs.gnu.org; Tue, 26 Jul 2022 08:37:50 -0400 Received: from eggs.gnu.org ([209.51.188.92]:52672) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oGJon-0001OK-Lf for 56683 <at> debbugs.gnu.org; Tue, 26 Jul 2022 08:37:49 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:37902) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oGJoi-0002KD-Cf; Tue, 26 Jul 2022 08:37:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=RgDITeoPsV+xiHDg4UspS0bQUHP0LpsFLlK1rRxh18k=; b=JikRPNJbuTyl OxIxjkImDti45nz77Ya5myUSjUV7K5L70lxSz44KzJ2NxAxi3Sb9lc7iEBzSGb2RNVNmayL16afrP jquIhd4uCSUJcGXegKmAD75pIsguUEizDg+tzRnG2isCWKNR77Wu5gpbcALQfsP4tmzMJFZapnhrV Wj9jRa1jFTcT75ODzmAoDiIvA+urHHNAQF0ei1Ie7n1kDysIjIXS8axxFl1V/KuxO0UJcY/Ee03LD +VvbT8mPH9UStunB8BMuF9io4ze2uWvEWGy9kGENuGMq37fp+6Fl8C3mLaswLE7pCMyA+4krqdzgA tzwJJBBFyabVl4V4GTbAmA==; Received: from [87.69.77.57] (port=2145 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oGJof-00048L-FD; Tue, 26 Jul 2022 08:37:40 -0400 Date: Tue, 26 Jul 2022 15:37:41 +0300 Message-Id: <83r128cane.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gregory Heytings <gregory@HIDDEN> In-Reply-To: <ad567fa90a52badace47@HIDDEN> (message from Gregory Heytings on Tue, 26 Jul 2022 12:17:33 +0000) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> <83r12djjvm.fsf@HIDDEN> <8a3eaeef01b9a103450a@HIDDEN> <835yjkdrrk.fsf@HIDDEN> <ad567fa90a52badace47@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: gerd.moellmann@HIDDEN, andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Date: Tue, 26 Jul 2022 12:17:33 +0000 > From: Gregory Heytings <gregory@HIDDEN> > cc: gerd.moellmann@HIDDEN, andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org > > > Maybe optionally. Or maybe displaying a message/warning suggesting > > that. I don't like disabling truncate-lines unconditionally in such > > buffers, I prefer leaving that to the user. > > The user would still have the choice to disable the automatic disabling by > setting long-line-threshold to nil. Yes, I understand. I still don't like it very much. But if many users will complain, we might change that before Emacs 29 is released. > > And I think we should use INT_MAX instead of DISP_INFINITY, for the > > purpose of auto-hscroll. (There are several other uses of that macro, > > but I didn't yet look at all of them to see if it would make sense to > > increase DISP_INFINITY itself.) > > But you said earlier that this was undesirable because it would affect > performance? No, I said making the type of the struct member current_x a ptrdiff_t or intmax_t will affect performance. The above doesn't propose any such changes, it just enlarges the "infinity" value. With that value, lines up to (/ (expt 2 31) 20) => 107374182 (i.e. about 107 million characters) per line will still display correctly with truncate-lines when hscrolling is required.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 26 Jul 2022 12:17:36 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jul 26 08:17:36 2022 Received: from localhost ([127.0.0.1]:52480 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oGJVI-0000kF-Ej for submit <at> debbugs.gnu.org; Tue, 26 Jul 2022 08:17:36 -0400 Received: from heytings.org ([95.142.160.155]:53448) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <gregory@HIDDEN>) id 1oGJVG-0000jx-CI for 56683 <at> debbugs.gnu.org; Tue, 26 Jul 2022 08:17:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658837853; bh=yvHExRoIz3JG4IhZfG5K7T2yTw+2dYZW4fF8+jEQDYs=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=iQhPIQSIF6DEXMKZ9l51N7LY6UVnF6ykiHQIYyP5w68HXuQOJtWoAJ1wW+uIAj2NQ kdQUC8sUuTLBbZ4V4Cli7slEdy1bE4jWyq3wfvlaJMHA7cGfwE6tRfSK8pGAn/MPxj 5ii0JI4rSyNqU+Q4njz9xDNI4gjqWd/Mtpg9ab89wwcpdexmu/KSNwjZ+x04FqgMgs eQXrBy+L9HB1rgHQYwVex1qZCUZ7lIQ0UH3DVC4JoG+/OGBSUsVNpjqQlhc/G4/tQJ wHJlRmOtbItMd5raic3izddTnDX/grRuh362pQgIRUxIgbr7XPc0MZgriEJA9zvwCo Q50uy2k8uDdBQ== Date: Tue, 26 Jul 2022 12:17:33 +0000 From: Gregory Heytings <gregory@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <835yjkdrrk.fsf@HIDDEN> Message-ID: <ad567fa90a52badace47@HIDDEN> References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> <83r12djjvm.fsf@HIDDEN> <8a3eaeef01b9a103450a@HIDDEN> <835yjkdrrk.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: gerd.moellmann@HIDDEN, andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) > > Maybe optionally. Or maybe displaying a message/warning suggesting > that. I don't like disabling truncate-lines unconditionally in such > buffers, I prefer leaving that to the user. > The user would still have the choice to disable the automatic disabling by setting long-line-threshold to nil. > > And I think we should use INT_MAX instead of DISP_INFINITY, for the > purpose of auto-hscroll. (There are several other uses of that macro, > but I didn't yet look at all of them to see if it would make sense to > increase DISP_INFINITY itself.) > But you said earlier that this was undesirable because it would affect performance?
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 26 Jul 2022 12:15:22 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jul 26 08:15:22 2022 Received: from localhost ([127.0.0.1]:52467 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oGJT8-0000fm-4i for submit <at> debbugs.gnu.org; Tue, 26 Jul 2022 08:15:22 -0400 Received: from eggs.gnu.org ([209.51.188.92]:47378) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oGJT6-0000fa-W1 for 56683 <at> debbugs.gnu.org; Tue, 26 Jul 2022 08:15:21 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:37606) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oGJT1-0006hO-HQ; Tue, 26 Jul 2022 08:15:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=tbohWtJ0PEIdSHNUdIQmwAODtuh/toqDDTc3XpVOvY8=; b=nC7th/r7UF4WyAJfteHB BOVESa4brKzxQy0bWBYRmcQcUkx5le2G9jrkuUIhKnVAEEBMJSRpGx1wFj4x5VT/dGM9X5J8Io4o9 nlWxLQNYOMRYM9oM4IUKKEHB+OVLLWlMb76RWaFkiH2PJwll1Fwao55DDYpCx1OF2qI9hUZr896h1 /R6UHdKeKXx4lTxhHuaFtA1lbL5IIUbVfc5UP8kNJFJi/YaAjGkqXta0CQ1szGS7Q2sXI91rxZPLH AeYKYsGHkzDDLQHN09JyMCd9NKGwAH0Tl2lUxy7857X7zhaOO4kaASHjVGbaof3dM3ZHlo/zMOq+D 7Etlq7CUXyqeww==; Received: from [87.69.77.57] (port=4741 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oGJSx-0007Yl-Ft; Tue, 26 Jul 2022 08:15:15 -0400 Date: Tue, 26 Jul 2022 15:15:15 +0300 Message-Id: <83wnc0cbos.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gregory Heytings <gregory@HIDDEN> In-Reply-To: <ad567fa90ab9788b6003@HIDDEN> (message from Gregory Heytings on Tue, 26 Jul 2022 07:32:55 +0000) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> <83r12djjvm.fsf@HIDDEN> <8a3eaeef01b9a103450a@HIDDEN> <EA2D3A79-F85D-44EA-A3FA-A0A81F86DD50@HIDDEN> <ad567fa90ab9788b6003@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, gerd.moellmann@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Date: Tue, 26 Jul 2022 07:32:55 +0000 > From: Gregory Heytings <gregory@HIDDEN> > cc: Eli Zaretskii <eliz@HIDDEN>, > Gerd Möllmann <gerd.moellmann@HIDDEN>, > 56683 <at> debbugs.gnu.org > > (A side note: if you rarely scroll to the right that much, you can also > truncate the lines with an external tool like "cut", either before you > open the file in Emacs, or inside Emacs with C-x h M-| cut -c-1000 RET.) If you never scroll such windows too much to the right, the problems with "finite infinity" won't show at all, AFAICT, so there's no need to use 'cut' or its ilk.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 26 Jul 2022 11:42:42 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jul 26 07:42:42 2022 Received: from localhost ([127.0.0.1]:52406 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oGIxW-00084q-EB for submit <at> debbugs.gnu.org; Tue, 26 Jul 2022 07:42:42 -0400 Received: from eggs.gnu.org ([209.51.188.92]:38424) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oGIxU-00084b-5O for 56683 <at> debbugs.gnu.org; Tue, 26 Jul 2022 07:42:41 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:36670) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oGIxO-0000U9-S5; Tue, 26 Jul 2022 07:42:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=wGUe21z5/qifmIRjtBJkVwgte0035StKwPl49L8KSu4=; b=YeghwPM34qkNv6aXGUVC 7sXscAEEy+8/5PjBmGMP58oog+/aDAxGJtALP6V+RK2gdnXTQAafofBTOTvx8zReU8MbyUkUblwEM mSojRV7wU5rzr9ZpoPy1wr/Z+Ayxa6vdBUOErzAx0o2hPurAWXHfqqk1nYpo0AJ7j+ySS6tkCKFef qQzjapJJxYJyXh8q+RQ465A82JvGE6bXpCFJUauHOvOQBAXHWYENVfKwEEc3xImLps6naEN3qjkpH bd3XouildQHTD367t1q0IDknFYkDw2sk4NFPXR5BPcOE33KrOzGl6ZuXDiMFr7Ac/6f9mqoNdbyr0 jqmu0vkN+ieZWA==; Received: from [87.69.77.57] (port=2669 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oGIxO-0007TL-58; Tue, 26 Jul 2022 07:42:34 -0400 Date: Tue, 26 Jul 2022 14:42:39 +0300 Message-Id: <835yjkdrrk.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gregory Heytings <gregory@HIDDEN> In-Reply-To: <8a3eaeef01b9a103450a@HIDDEN> (message from Gregory Heytings on Mon, 25 Jul 2022 22:22:22 +0000) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> <83r12djjvm.fsf@HIDDEN> <8a3eaeef01b9a103450a@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: gerd.moellmann@HIDDEN, andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Date: Mon, 25 Jul 2022 22:22:22 +0000 > From: Gregory Heytings <gregory@HIDDEN> > cc: Gerd Möllmann <gerd.moellmann@HIDDEN>, > andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org > > By the way, we should also decide what to do when the user enables > truncate-lines in a buffer with "really too long" lines. With > DISP_INFINITY == 10000000 (its current value), and with a character pixel > width of 20 (a not uncommon value nowadays with HiDPI screens), lines > longer than 500000 (single-width) characters will not be displayed > correctly. With a larger character pixel width, or with characters > occupying more than one column, that would be even less. > > Given: > > 1. that there has not been a single bug report about the fact that > truncate-line does not work correctly with "really too long" lines in the > last 20 years, This might be because no one seriously visited such files in Emacs until now. > 2. that the limit above, caused by DISP_INFINITY, is not much more than > 10000, the default value for long-line-threshold, and > > 3. the remaining slowdowns caused by truncate-lines, > > I'd be in favor of simply disabling truncate-lines when > long_line_optimizations_p is set. Maybe optionally. Or maybe displaying a message/warning suggesting that. I don't like disabling truncate-lines unconditionally in such buffers, I prefer leaving that to the user. And I think we should use INT_MAX instead of DISP_INFINITY, for the purpose of auto-hscroll. (There are several other uses of that macro, but I didn't yet look at all of them to see if it would make sense to increase DISP_INFINITY itself.)
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 26 Jul 2022 07:33:00 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jul 26 03:32:59 2022 Received: from localhost ([127.0.0.1]:52113 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oGF3r-0006xj-KZ for submit <at> debbugs.gnu.org; Tue, 26 Jul 2022 03:32:59 -0400 Received: from heytings.org ([95.142.160.155]:53138) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <gregory@HIDDEN>) id 1oGF3p-0006xZ-49 for 56683 <at> debbugs.gnu.org; Tue, 26 Jul 2022 03:32:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658820775; bh=Sgyo4PvHguT32FBFaZmfYI1KfxNcWeEebK6L1x3h6ho=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=nh1DTvKE8czzHO2HWUK59i44vCkG9ZHsDETulCR60jlTQa328BdPMXEQdHu13ASgb PA/GIVg8nR04I+oj60n2RVZcHJeBUf22J9s7qAhhB+v+emPY0iwt8gmePNMm2el4Ed OH20JIyMigC9sqG3RXj1OEaTEdTr9/LdJqcUJQbnlMNNAwhXQElwp+zcc4L372kzUU GHLWwG6wK5muyvRAu8V9YnXlxvg7ufM/ptj9BExCWQapejuAnw/WQclYqMCsKHZN+C w9pAs9c86FAcrJ3SKISpBo/3J49t6dveuiGdKS5qaEZ69XwPtBkzrl2GYfZSNm2KV2 +CCTcaFDY8ktw== Date: Tue, 26 Jul 2022 07:32:55 +0000 From: Gregory Heytings <gregory@HIDDEN> To: Andrey Listopadov <andreyorst@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <EA2D3A79-F85D-44EA-A3FA-A0A81F86DD50@HIDDEN> Message-ID: <ad567fa90ab9788b6003@HIDDEN> References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> <83r12djjvm.fsf@HIDDEN> <8a3eaeef01b9a103450a@HIDDEN> <EA2D3A79-F85D-44EA-A3FA-A0A81F86DD50@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: =?UTF-8?Q?Gerd_M=C3=B6llmann?= <gerd.moellmann@HIDDEN>, 56683 <at> debbugs.gnu.org, Eli Zaretskii <eliz@HIDDEN> X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) > > Overall, I'd like not to lose the ability to view long lines in such > logs with truncated lines enabled, because as I've said earlier, it > allows me to partially compare line to above and below ones, without > scrolling. And I rarely even scroll to the right that much in such logs, > as there's just way too much information to be viewed in a single > horizontal line. > As far as I understand, for your use case disabling truncate-lines when the buffer contains long lines would not change anything: you said that in your case the long lines are never longer than 10000 characters, which is the (default) limit of long-line-threshold. Should you ever encounter a slightly longer line, you could always adapt long-line-threshold accordingly. The point is that there's no way to make truncate-lines work with arbitrarily long lines, say a 1 GB long line. (A side note: if you rarely scroll to the right that much, you can also truncate the lines with an external tool like "cut", either before you open the file in Emacs, or inside Emacs with C-x h M-| cut -c-1000 RET.)
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 26 Jul 2022 07:13:26 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jul 26 03:13:26 2022 Received: from localhost ([127.0.0.1]:52083 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oGEkw-0006Oc-0M for submit <at> debbugs.gnu.org; Tue, 26 Jul 2022 03:13:26 -0400 Received: from mail-lf1-f53.google.com ([209.85.167.53]:36766) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <andreyorst@HIDDEN>) id 1oGEkq-0006OK-M3 for 56683 <at> debbugs.gnu.org; Tue, 26 Jul 2022 03:13:24 -0400 Received: by mail-lf1-f53.google.com with SMTP id q23so8132648lfr.3 for <56683 <at> debbugs.gnu.org>; Tue, 26 Jul 2022 00:13:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:in-reply-to:references:message-id :mime-version:content-transfer-encoding; bh=STGXACrVYm1dJraicj2wnQH89UwW98/ldj+BpEWVlJ8=; b=aKv3ah3amcbKu8/y7lMAsI0wuCy0vvUhQbasqGF569dtOii7+6CSs00L0rKxG7XAiP lY9oHn/zIpDD8wFgyjZK5dxWdd3sizjfPBHROfe0JE6qz3bqp1di+I/OpZYDZ0J/19Yv lGwWQTDC6Na5oiKrqOBCWS3vDi5nJ11hWST+btOs1MJg69KvY7q9+cMTClU1V6la5byO mos8mAU/WAiziYcSiCGGtZMJ5PvZxU1VPzBOEl3RvFgcaURcOurFKRxa2coDbXrllUKn EKnjfTijwSpG2ASPjZaY7dNU8R+cE3NjgHoinxA6C3wid5kxGI22IyxRAs4MomlTmzxZ sACg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:in-reply-to:references :message-id:mime-version:content-transfer-encoding; bh=STGXACrVYm1dJraicj2wnQH89UwW98/ldj+BpEWVlJ8=; b=rFfwCEolC7HV1lFRLHD/Bo0c0CO2/TlGyAiDwcaO1VSLMXp/fLqwQZuorN81vucPaC 2FmB4VTuGpdfKM6gXUDZ7bCgjsx7+wethZAPy+IQavHOhLGal4hQeQbRrl7J9UZizpqP TLl0yB/e+TdJWcgpZBVQwJDXZ7WyrhpjXXlbbKNZfnuGBMRlohIFGoC6s2NPb20IeHff nqG8yX/NUFQNwnWjTOgESqc912dkTW/nkSCkULyecBiUv2eh+ugsj1eGyYup8/hHNEbD 9oe/JKCQcSskfVyvK+RgxE7Uq/wCDikX2UItsH6P0Ln2F9O2XsJR8ayS2LLxS3/P65h0 TFaQ== X-Gm-Message-State: AJIora+kKtiqdbQ2z8+aODH6OUx7WUc9sghQsZa0kdZTQAn5AccNfugg Vq9Gd/ZwzRcwR5PM+W95gN8= X-Google-Smtp-Source: AGRyM1uPyh1QeHqsXXgMne3dZ3G3Giq7kbvgQbZlvrQGdJHRCFsR+BRIiF9qDRhKX8eP54Rp7rLggg== X-Received: by 2002:a05:6512:318d:b0:48a:7eaa:8c80 with SMTP id i13-20020a056512318d00b0048a7eaa8c80mr5300527lfe.584.1658819594493; Tue, 26 Jul 2022 00:13:14 -0700 (PDT) Received: from [127.0.0.1] ([176.59.174.143]) by smtp.gmail.com with ESMTPSA id b1-20020a2eb901000000b0025c8c3747bbsm3109526ljb.37.2022.07.26.00.13.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 26 Jul 2022 00:13:14 -0700 (PDT) Date: Tue, 26 Jul 2022 07:12:08 +0000 From: Andrey Listopadov <andreyorst@HIDDEN> To: Gregory Heytings <gregory@HIDDEN>, Eli Zaretskii <eliz@HIDDEN> Subject: =?US-ASCII?Q?Re=3A_bug=2356683=3A_29=2E0=2E50=3B_long_lines_fix_does?= =?US-ASCII?Q?n=27t_work_correctly_when_lines_are_truncated?= In-Reply-To: <8a3eaeef01b9a103450a@HIDDEN> References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> <83r12djjvm.fsf@HIDDEN> <8a3eaeef01b9a103450a@HIDDEN> Message-ID: <EA2D3A79-F85D-44EA-A3FA-A0A81F86DD50@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: =?ISO-8859-1?Q?Gerd_M=F6llmann?= <gerd.moellmann@HIDDEN>, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) > there has not been a single bug report about the fact that truncate-line = does not work correctly with "really too long" lines in the last 20 years, I imagine there's not that big of a percent of Emacs users who open files with a really long lines (given the issues with these), and for all of tho= se there's an even smaller percent of those who use truncate-lines (and even smaller percent of those who would submit a report, perhaps)=2E Overall, I'd like not to lose the ability to view long lines in such logs = with truncated lines enabled, because as I've said earlier, it allows me to= partially compare line to above and below ones, without scrolling=2E And I= rarely even scroll to the right that much in such logs, as there's just wa= y too much information to be viewed in a single horizontal line=2E If, however nothing will prevent me from enabling truncating even if optim= izations are in place, I'm OK with disabling truncating by default=2E
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 25 Jul 2022 22:22:26 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jul 25 18:22:26 2022 Received: from localhost ([127.0.0.1]:51599 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oG6T4-000762-2S for submit <at> debbugs.gnu.org; Mon, 25 Jul 2022 18:22:26 -0400 Received: from heytings.org ([95.142.160.155]:52674) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <gregory@HIDDEN>) id 1oG6T2-00075u-8g for 56683 <at> debbugs.gnu.org; Mon, 25 Jul 2022 18:22:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658787743; bh=BcxD89Etbv3QObRFlAxdgwe1XcXyayFXGtxH+rz68Ds=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=eCEAHXSTtjXKcG0BL2n6xGnYKNXknjbGDimfFPUxr0uZCH/n6TWJm19RuyTWLisMb 5LJyp73/R0FH3cVr/zJrhGwDmD0t/Gzkj0SXP9I559bMWoC2NEdmKqhqfM9qS0XPwc F+4xKNnZ5UuZkD0bavA4tYxwTJbmcAhPDUzPbeIfbL0NKPeIqosX2mGroodTdG7j0t K8fe3K7sMdFtfEKs4HpMHn6cLGPeo+JBVaflxHVebGsejjz9Nj6bf7yNVGECil3WSF CbWqg7c2H8k+zkdDKgAr2qYZKNBXaizoSQxhqeBrQ1906DTY/Gwo0SDFqKTXx2MDXA fKzYcYQ/FwvXg== Date: Mon, 25 Jul 2022 22:22:22 +0000 From: Gregory Heytings <gregory@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <83r12djjvm.fsf@HIDDEN> Message-ID: <8a3eaeef01b9a103450a@HIDDEN> References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> <83r12djjvm.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: =?UTF-8?Q?Gerd_M=C3=B6llmann?= <gerd.moellmann@HIDDEN>, andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) By the way, we should also decide what to do when the user enables truncate-lines in a buffer with "really too long" lines. With DISP_INFINITY == 10000000 (its current value), and with a character pixel width of 20 (a not uncommon value nowadays with HiDPI screens), lines longer than 500000 (single-width) characters will not be displayed correctly. With a larger character pixel width, or with characters occupying more than one column, that would be even less. Given: 1. that there has not been a single bug report about the fact that truncate-line does not work correctly with "really too long" lines in the last 20 years, 2. that the limit above, caused by DISP_INFINITY, is not much more than 10000, the default value for long-line-threshold, and 3. the remaining slowdowns caused by truncate-lines, I'd be in favor of simply disabling truncate-lines when long_line_optimizations_p is set.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 22 Jul 2022 14:35:21 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jul 22 10:35:21 2022 Received: from localhost ([127.0.0.1]:42110 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEtkO-0005uN-LA for submit <at> debbugs.gnu.org; Fri, 22 Jul 2022 10:35:20 -0400 Received: from eggs.gnu.org ([209.51.188.92]:45640) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oEtkM-0005u2-O0 for 56683 <at> debbugs.gnu.org; Fri, 22 Jul 2022 10:35:20 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:44292) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEtkH-0007Dt-Gr; Fri, 22 Jul 2022 10:35:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=UmVkNbp+mRlvhgefgTzyd01+FXQY9duZSeQj9QSCfGk=; b=KG3ZRnp6YKbxpIkRvS54 wsOEzKH9dH9wogLVMe6wyqDcfdjaky2hr9yrbIR6VXNXJDvL4UXPcs5ArUrKB/VsuD12UmTNJMCi8 wiYYwwQle5Jv+r4BAPNBqYDHQafUGt25cazbYIhQi4OhIJIY/ZTs/k4gpcvElJWUf5w71l5CqYTvZ DD2ZJSykLo2fcp0edKpTv3FVY3Mf15YxBRzz7eUR/zfcht5MNm15oDwIKX1C5cLBkRC+KXPjFIXDf Z0cUUHvJRMWV9LBVvmriLs1GZhMFSyaX62/3y/S1iWhJp+c4Go/MR1pRrEtoVuigyJpr1oCdCn1L5 2DNKUsso17q43g==; Received: from [87.69.77.57] (port=3174 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEtkH-0000SZ-0O; Fri, 22 Jul 2022 10:35:13 -0400 Date: Fri, 22 Jul 2022 17:35:09 +0300 Message-Id: <83r12djjvm.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gerd =?iso-8859-1?Q?M=F6llmann?= <gerd.moellmann@HIDDEN> In-Reply-To: <m2y1wl9rsw.fsf@HIDDEN> (message from Gerd =?iso-8859-1?Q?M=F6llmann?= on Fri, 22 Jul 2022 15:54:07 +0200) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> <m2y1wl9rsw.fsf@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Gerd Mllmann <gerd.moellmann@HIDDEN> > Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN > Date: Fri, 22 Jul 2022 15:54:07 +0200 > > Eli Zaretskii <eliz@HIDDEN> writes: > > > That feature is disabled by default. If enabled, then yes, it will > > most probably fire before that. > > Could we enabled it automatically when we switch on iterator narrowing? Technically, sure. I'm not yet convinced we should, though, because it isn't clear to me what problems, if any, will be left after the narrowing idea is used as fully as practical.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 22 Jul 2022 13:54:21 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jul 22 09:54:21 2022 Received: from localhost ([127.0.0.1]:40464 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEt6j-0004B8-12 for submit <at> debbugs.gnu.org; Fri, 22 Jul 2022 09:54:21 -0400 Received: from mail-ed1-f48.google.com ([209.85.208.48]:46768) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <gerd.moellmann@HIDDEN>) id 1oEt6d-0004Ar-Rh for 56683 <at> debbugs.gnu.org; Fri, 22 Jul 2022 09:54:19 -0400 Received: by mail-ed1-f48.google.com with SMTP id w12so5907909edd.13 for <56683 <at> debbugs.gnu.org>; Fri, 22 Jul 2022 06:54:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:in-reply-to:references:date:message-id :user-agent:mime-version; bh=n4sRvYuDLClbHm6rt3zwuw60gnMlmoXfpzilJ0Jj9Js=; b=PWSeG7ld7FgJM/tDgRUYx5p1AAXaADC2hP7eU7Zio6yWoPJsiOfHy2J2GcwHQNr1w0 cEvkoKAsXyLTMpc+Ow350rvUM5D4jBDtyLvfjSE2tTJ5wwuwuGgD5o2Plg719BgAwwRq 6ryawWIw4P9tXLV1r1rVZrv0xrg57Pig0eJl84x/fV8WvJWe7+BSda+VoOaGsqYE2ZS8 Niy7Qf/XIP0tWwtIryr36IPrtzP/L8RgqL/Y9tjYJA7qu1+LtzUmbGRmhOM8mSNBJRV5 LlM4BNyOQLunJ2zCkHwhGXqsX2O5sVVBZlMIQB3m3YKdBboMiFiQHd5cIR7bXFfO+sFN mAdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:user-agent:mime-version; bh=n4sRvYuDLClbHm6rt3zwuw60gnMlmoXfpzilJ0Jj9Js=; b=UEaA3w6BaJyGmT6YPznAdplLTSHlozsdSxUsa+P1zBxk+uwkep1kco0593g02T+QAm ZWHSk3huDPesx4Rx9dq1+nm2iOVBVrBN9i0Xp6fpA7NHYqeix1CeIC6H3dpvvu+XHD7k OIp61n74On/qkRMFpdNsllaS25NBRfRctjrmf6NPa4OwscbFnKZtz6jwFjDs7iQpDBXs SjLTSGW3zcLHMZo7y4GgdmiWyhhwCstrO0yMIgG/dnTXeCl8QJMjLM42YAo1K05J1pP2 MW4qx960RSpmnkOaP+vC5rO/D8IHtSk8Q0kNfAAJktPDFvfp1rCfFFOGqxUAM8BGW82F D/aw== X-Gm-Message-State: AJIora8gz5+AYw0Tk0vOoTZufK9SDeTGbbhWx34OXaEV19jkmUdRzURg d3UDKP+eZaJUGvPkUVPc2zg= X-Google-Smtp-Source: AGRyM1scfgZmKEFcAg/ilmNVYe/HlYCuKz0DflZel66enzMO//2FSqe9Fs4UaI78BZTI7gqqZ3EgbQ== X-Received: by 2002:a05:6402:28a1:b0:43b:a0d5:d30a with SMTP id eg33-20020a05640228a100b0043ba0d5d30amr821848edb.278.1658498049551; Fri, 22 Jul 2022 06:54:09 -0700 (PDT) Received: from Mini.fritz.box (p4fe3a8ba.dip0.t-ipconnect.de. [79.227.168.186]) by smtp.gmail.com with ESMTPSA id mh8-20020a170906eb8800b006fe0abb00f0sm2026961ejb.209.2022.07.22.06.54.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Jul 2022 06:54:08 -0700 (PDT) From: =?utf-8?Q?Gerd_M=C3=B6llmann?= <gerd.moellmann@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <83y1wljmkn.fsf@HIDDEN> (Eli Zaretskii's message of "Fri, 22 Jul 2022 16:36:56 +0300") References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> <83y1wljmkn.fsf@HIDDEN> Date: Fri, 22 Jul 2022 15:54:07 +0200 Message-ID: <m2y1wl9rsw.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (darwin) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Eli Zaretskii <eliz@HIDDEN> writes: > That feature is disabled by default. If enabled, then yes, it will > most probably fire before that. Could we enabled it automatically when we switch on iterator narrowing?
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 22 Jul 2022 13:37:07 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jul 22 09:37:07 2022 Received: from localhost ([127.0.0.1]:40441 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEsq2-0003gl-IP for submit <at> debbugs.gnu.org; Fri, 22 Jul 2022 09:37:06 -0400 Received: from eggs.gnu.org ([209.51.188.92]:32936) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oEsq1-0003gJ-Vn for 56683 <at> debbugs.gnu.org; Fri, 22 Jul 2022 09:37:06 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:43674) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEspw-0000cT-CF; Fri, 22 Jul 2022 09:37:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=Dpl+UXv4AsSx8G3p2E8wxBAkyPrDfrrF7hWnmIAAgeM=; b=Ak/eI1h+us33Vtz8zf+g rilFoPeBtfVOaRL7WtmBXYoJoOaNgxbqt9KyyQSrIsVnlTxz3RKp9y9+FZqRF/iFntwuQvMX5Wo+2 4g3ZO+wRo7Rjq9ykgLcMAthR/5wG7YIM4yZ3RGAIb+c8T3b5+h2F4VHlmf3G/SYkvupXcUETuEknd hI0C2RQyeMsE3R3Do1f/eQ9CTsgGwGsEPT9UkT5mj//x7RzvQ/PLUTIG3iPX5k93xk/Nk8TGt6lIg c0Gih77TyvzHxi0tsbbe++0WxGgX+HmR04lwcnteT3ptlH6aTvBrStNfzngpy1WP7mux3xoJ8Iu63 M1pCe6iIV3Y6eg==; Received: from [87.69.77.57] (port=3527 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEspv-0002tr-SQ; Fri, 22 Jul 2022 09:37:00 -0400 Date: Fri, 22 Jul 2022 16:36:56 +0300 Message-Id: <83y1wljmkn.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gerd =?utf-8?Q?M=C3=B6llmann?= <gerd.moellmann@HIDDEN> In-Reply-To: <m2mtd1tifd.fsf@HIDDEN> (message from Gerd =?utf-8?Q?M=C3=B6llmann?= on Fri, 22 Jul 2022 14:56:22 +0200) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> <m2mtd1tifd.fsf@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Gerd Möllmann <gerd.moellmann@HIDDEN> > Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN > Date: Fri, 22 Jul 2022 14:56:22 +0200 > > > will keep producing glyphs inside move_it_in_display_line_to until > > it gets to the position of point. While producing glyphs, > > it.current_x is incremented by the pixel-width of each produced > > glyph. After a large enough number of produced glyphs, it.current_x > > will overflow INT_MAX. > > Right. I am not worried about that: > > It takes a lot of iterations until the ints overflow. The largest > positive 32-bit integer is very roughly 2 * 10^9. With a font width of > of 10 pixels, that would mean 2 * 10^8 characters (200 Mb), and so on > with wider fonts. We already have an example of a 19-MB file which is a single line. It is within an order of magnitude of the limit you described. JSON files in particular are known to be like that: long and without newlines. So I think the danger is real. > >> if (max_redisplay_ticks > 0) > >> update_redisplay_ticks (1, it->w); > > > > I understood that part, but not the "should be burn to much time > > because of the infinite last x" part, even if I replace "to" with > > "too". > > Sorry for the typo: s/be/we, i.e. "if we burn...". What I meant to ask > is if the check above doesn't lead to a signal anyway long before we > reach the overflow. That feature is disabled by default. If enabled, then yes, it will most probably fire before that.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
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[79.227.168.186]) by smtp.gmail.com with ESMTPSA id kv11-20020a17090778cb00b0072eddc468absm1989209ejc.134.2022.07.22.05.56.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Jul 2022 05:56:23 -0700 (PDT) From: =?utf-8?Q?Gerd_M=C3=B6llmann?= <gerd.moellmann@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <835yjpl5vm.fsf@HIDDEN> (Eli Zaretskii's message of "Fri, 22 Jul 2022 14:54:37 +0300") References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> <835yjpl5vm.fsf@HIDDEN> Date: Fri, 22 Jul 2022 14:56:22 +0200 Message-ID: <m2mtd1tifd.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (darwin) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Eli Zaretskii <eliz@HIDDEN> writes: >> From: Gerd M=C3=B6llmann <gerd.moellmann@HIDDEN> > > Yes, integer overflow. This code: > > init_to_row_start (&it, w, cursor_row); > if (hscl) > it.first_visible_x =3D window_hscroll_limited (w, it.f) > * FRAME_COLUMN_WIDTH (it.f); > it.last_visible_x =3D DISP_INFINITY; > move_it_in_display_line_to (&it, pt, -1, MOVE_TO_POS); > > will keep producing glyphs inside move_it_in_display_line_to until > it gets to the position of point. While producing glyphs, > it.current_x is incremented by the pixel-width of each produced > glyph. After a large enough number of produced glyphs, it.current_x > will overflow INT_MAX. Right. I am not worried about that: It takes a lot of iterations until the ints overflow. The largest positive 32-bit integer is very roughly 2 * 10^9. With a font width of of 10 pixels, that would mean 2 * 10^8 characters (200 Mb), and so on with wider fonts. Se that being said, what I orignally wanted to ask, was: >> The thing you implemented in set_iterator_to_next we talked about. >>=20 >> if (max_redisplay_ticks > 0) >> update_redisplay_ticks (1, it->w); > > I understood that part, but not the "should be burn to much time > because of the infinite last x" part, even if I replace "to" with > "too". Sorry for the typo: s/be/we, i.e. "if we burn...". What I meant to ask is if the check above doesn't lead to a signal anyway long before we reach the overflow.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 22 Jul 2022 11:54:59 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jul 22 07:54:59 2022 Received: from localhost ([127.0.0.1]:40317 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oErFD-0000hO-4I for submit <at> debbugs.gnu.org; Fri, 22 Jul 2022 07:54:59 -0400 Received: from eggs.gnu.org ([209.51.188.92]:34810) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oErFA-0000h6-R4 for 56683 <at> debbugs.gnu.org; Fri, 22 Jul 2022 07:54:57 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:34464) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oErF5-0003bE-7f; Fri, 22 Jul 2022 07:54:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=AV/Bo6egeu+C5jRWmzjDEePRxLmYNxH0FnNDurgTLWA=; b=p51iWCoHoIF4NpTcZmvZ lONZaI5dlndf7cIbXNLQ2JAsBYzm9+KGHikBpRzOmazl3AdwBZMcqajWsriTFobi63ELrvDNeJVqZ 6P9T2J0mH8yPI8lKkXzjr3p64XyUZgk1DtS0n0W+DcmxyrRiVZa35ben+mi8yZN1D6v4ppAoBoZyZ AuTAPxir1poAisL9Ov96ganhzgeGqqZ6WZkZFf9IDU9l6R7T42DWHKQ7XInuupcbk1CzVr74WaWhg c6H7kPereXY6sRbqH/9+UOpyVKGGqSsiNOERHvc7dbIW+6kqFPP/ZzX/6u7WZf36wifpmY4/rspJo iwTYtZ3RJgjM8Q==; Received: from [87.69.77.57] (port=1243 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oErEw-0000Bf-Jo; Fri, 22 Jul 2022 07:54:49 -0400 Date: Fri, 22 Jul 2022 14:54:37 +0300 Message-Id: <835yjpl5vm.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gerd =?utf-8?Q?M=C3=B6llmann?= <gerd.moellmann@HIDDEN> In-Reply-To: <m2edyda8jz.fsf@HIDDEN> (message from Gerd =?utf-8?Q?M=C3=B6llmann?= on Fri, 22 Jul 2022 09:52:16 +0200) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> <83mtd1li6o.fsf@HIDDEN> <m2edyda8jz.fsf@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Gerd Möllmann <gerd.moellmann@HIDDEN> > Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN > Date: Fri, 22 Jul 2022 09:52:16 +0200 > > Eli Zaretskii <eliz@HIDDEN> writes: > > >> From: Gerd Möllmann <gerd.moellmann@HIDDEN> > >> If we really want infinity, how about setting last_visible_x to -1 in > >> that case. But that requires checking/changing some places where > >> the iterator pisition is tested against last_visible_x. > > > > I don't really see how this could help in general, because the > > current_x member (what you call the "iterator position") will still > > overflow at some point, and we can no longer do any layout decisions > > for the X coordinate after that. > > > > Or what am I missing? > > You were asking for a good value of DISP_OMEGA, that's at least what I > understood. My answer is -1, plus code changes. > > That current_x can overflow is something completely different, IMO. But > now I'm cautious enough to ask what do you mean? Overflowing which > bound? I read this as integer overflow, integer = the data type. Yes, integer overflow. This code: init_to_row_start (&it, w, cursor_row); if (hscl) it.first_visible_x = window_hscroll_limited (w, it.f) * FRAME_COLUMN_WIDTH (it.f); it.last_visible_x = DISP_INFINITY; move_it_in_display_line_to (&it, pt, -1, MOVE_TO_POS); will keep producing glyphs inside move_it_in_display_line_to until it gets to the position of point. While producing glyphs, it.current_x is incremented by the pixel-width of each produced glyph. After a large enough number of produced glyphs, it.current_x will overflow INT_MAX. > >> Your "ticks" check kicks in should be burn to much time because of the > >> infinite last x, right? > > > > Sorry, I don't think I understand what you are asking here. Please > > elaborate or rephrase. > > The thing you implemented in set_iterator_to_next we talked about. > > if (max_redisplay_ticks > 0) > update_redisplay_ticks (1, it->w); I understood that part, but not the "should be burn to much time because of the infinite last x" part, even if I replace "to" with "too".
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 22 Jul 2022 11:02:09 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jul 22 07:02:09 2022 Received: from localhost ([127.0.0.1]:40222 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEqQ5-0005WE-Hv for submit <at> debbugs.gnu.org; Fri, 22 Jul 2022 07:02:09 -0400 Received: from eggs.gnu.org ([209.51.188.92]:52754) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oEqQ2-0005Vl-HP for 56683 <at> debbugs.gnu.org; Fri, 22 Jul 2022 07:02:08 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:56366) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEqPx-000479-0T; Fri, 22 Jul 2022 07:02:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=GyldM6Dj/XRtiA5HHXNgd8r+EqtkqRz6l4YeCkEXpCw=; b=FVfYXAFCBw0MXWBBrBG/ ejdni7KA5eTom5rcjRVT7GhnMNY0kRgt+qdQL+eHiuEEMguE4GQ2I/Y5yD+3GcRIstHntA+2n75BV kEoUtJoD3svTvSmNrF3a2K5Hx1XGnhTibEXj3gAo6+F777waxO+o2OjgkzUUCPLPztN9TxlID/5i8 bsVoYrRrAFQ5pt9GjmZRe/0wCcJJ+1hhC5yZ7kLMF8F+RZDAmaiAk2D/KCVgs3Y0Fj5oe/pfxIPnj KvHo3WhFWY5trYZHK15MsjADbu5gI5PwKC7Q1IG10rK1E7S8Zffl3oQU+0+CfHQZaEX9dNOoV5oIU 903URN1/SoIecg==; Received: from [87.69.77.57] (port=1993 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEqPv-0003a6-7i; Fri, 22 Jul 2022 07:02:00 -0400 Date: Fri, 22 Jul 2022 14:01:55 +0300 Message-Id: <83fsitl8bg.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gerd =?iso-8859-1?Q?M=F6llmann?= <gerd.moellmann@HIDDEN> In-Reply-To: <m2bktha8hu.fsf@HIDDEN> (message from Gerd =?iso-8859-1?Q?M=F6llmann?= on Fri, 22 Jul 2022 09:53:33 +0200) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2mtd1ab9u.fsf@HIDDEN> <83leslli29.fsf@HIDDEN> <m2bktha8hu.fsf@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Gerd Mllmann <gerd.moellmann@HIDDEN> > Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN > Date: Fri, 22 Jul 2022 09:53:33 +0200 > > Eli Zaretskii <eliz@HIDDEN> writes: > > >> Forgot one thing: There seem to be a place in dispextern.h where > >> last_visible_x is set to the number 1000000. That's odd. > > > > That's a different kind of "infinity" ;-) > > Aleph1 :-O. Well, what I meant was that it's used for other purposes than DISP_INFINITY.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
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bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
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From: =?utf-8?Q?Gerd_M=C3=B6llmann?= <gerd.moellmann@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when
lines are truncated
In-Reply-To: <83mtd1li6o.fsf@HIDDEN> (Eli Zaretskii's message of "Fri, 22 Jul
2022 10:28:47 +0300")
References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN>
<83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN>
<83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN>
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Date: Fri, 22 Jul 2022 09:52:16 +0200
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Eli Zaretskii <eliz@HIDDEN> writes:
>> From: Gerd M=C3=B6llmann <gerd.moellmann@HIDDEN>
>> If we really want infinity, how about setting last_visible_x to -1 in
>> that case. But that requires checking/changing some places where
>> the iterator pisition is tested against last_visible_x.
>
> I don't really see how this could help in general, because the
> current_x member (what you call the "iterator position") will still
> overflow at some point, and we can no longer do any layout decisions
> for the X coordinate after that.
>
> Or what am I missing?
You were asking for a good value of DISP_OMEGA, that's at least what I
understood. My answer is -1, plus code changes.
That current_x can overflow is something completely different, IMO. But
now I'm cautious enough to ask what do you mean? Overflowing which
bound? I read this as integer overflow, integer =3D the data type.
>
>> Your "ticks" check kicks in should be burn to much time because of the
>> infinite last x, right?
>
> Sorry, I don't think I understand what you are asking here. Please
> elaborate or rephrase.
The thing you implemented in set_iterator_to_next we talked about.
if (max_redisplay_ticks > 0)
update_redisplay_ticks (1, it->w);
I don't remember the offical name ATM.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 22 Jul 2022 07:31:45 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jul 22 03:31:45 2022 Received: from localhost ([127.0.0.1]:40033 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEn8S-00087k-P1 for submit <at> debbugs.gnu.org; Fri, 22 Jul 2022 03:31:45 -0400 Received: from eggs.gnu.org ([209.51.188.92]:40092) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oEn8R-00087W-73 for 56683 <at> debbugs.gnu.org; Fri, 22 Jul 2022 03:31:43 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:40160) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEn8L-0004fL-OD; Fri, 22 Jul 2022 03:31:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=OjTkeH5hG7F4E9prUyFheVcrUSZNRpHA9loe5wlNX7o=; b=S+aPgUsLReI6Pyzbbuw1 MeoU36NgJYUP+ILyY6eQs6JtDJsKfY28NX5U83OOKzzUN2gUWJE2i/QCpv9Caq3THlmt6E7la747D 1kmHijKHKjypP0RjgAfegGVc+snXfmcEdhU6j/fRW/MxWdfsoyNyVt7zBiaFjiRRkPXTJmsXR5BAN okA7fwJZcxWkF0fXwLxmpyG5OKXIXc78z3T/fH1/TmgWS9yvvUI2CUdFGlKwJwtRiAQtJ3qS+Vd1T OUTRZCBX/OpDqb5h2+ie827GIkRjGalZrFwRxbhFVKFu6lzSaYoVacEg5eMmFc/TN98SuUg4e7r+5 pQHmuQBsr8a/dg==; Received: from [87.69.77.57] (port=1073 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEn8F-00082I-41; Fri, 22 Jul 2022 03:31:34 -0400 Date: Fri, 22 Jul 2022 10:31:26 +0300 Message-Id: <83leslli29.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gerd =?iso-8859-1?Q?M=F6llmann?= <gerd.moellmann@HIDDEN> In-Reply-To: <m2mtd1ab9u.fsf@HIDDEN> (message from Gerd =?iso-8859-1?Q?M=F6llmann?= on Fri, 22 Jul 2022 08:53:33 +0200) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2mtd1ab9u.fsf@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Gerd Mllmann <gerd.moellmann@HIDDEN> > Cc: Gregory Heytings <gregory@HIDDEN>, andreyorst@HIDDEN, > 56683 <at> debbugs.gnu.org > Date: Fri, 22 Jul 2022 08:53:33 +0200 > > Eli Zaretskii <eliz@HIDDEN> writes: > > > Gerd, any ideas or comments? > > Forgot one thing: There seem to be a place in dispextern.h where > last_visible_x is set to the number 1000000. That's odd. That's a different kind of "infinity" ;-)
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 22 Jul 2022 07:29:02 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jul 22 03:29:02 2022 Received: from localhost ([127.0.0.1]:40027 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEn5q-0005tI-45 for submit <at> debbugs.gnu.org; Fri, 22 Jul 2022 03:29:02 -0400 Received: from eggs.gnu.org ([209.51.188.92]:39622) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oEn5o-0005sn-27 for 56683 <at> debbugs.gnu.org; Fri, 22 Jul 2022 03:29:00 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:40096) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEn5i-0003Mq-C3; Fri, 22 Jul 2022 03:28:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=Utfk6QxtPfqB1nQ6JG5ENR254W8FiVfsFymU5Q0j9Z4=; b=Nb8wLTMT9LbjBpPg7Yef ZyGwmFRyhUttvkJZJ+n3d7v7ySnAFy5uIgmRIDyMjJCh3ASliEjiIck7BNK1fEl+YDCkzYOMXxYSj xacve1FAbBUClPZv+oaSn59gTLhPgugOvfBU8oH1z+WAwg4LEvmL0lGKHQmK270/pJtTPW0ZLNdZV OsVnCb+yNm3+32lQzMN7y02DWIhSETyYx9y1eA8Nhb1RKvEd4rKcrlENYWw6Hl2gtNaURXcUCStgP 506gdRoJ68pwK4eOOEuAKpidM9BLp0+EGN3mi0EajxTYnsBq64oCZhFdD5ZmsTpSlV87yu7mlJ3Tu ShOCnUTlMEUtlQ==; Received: from [87.69.77.57] (port=4885 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEn5h-0007U2-I6; Fri, 22 Jul 2022 03:28:54 -0400 Date: Fri, 22 Jul 2022 10:28:47 +0300 Message-Id: <83mtd1li6o.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gerd =?utf-8?Q?M=C3=B6llmann?= <gerd.moellmann@HIDDEN> In-Reply-To: <m2pmhxabcj.fsf@HIDDEN> (message from Gerd =?utf-8?Q?M=C3=B6llmann?= on Fri, 22 Jul 2022 08:51:56 +0200) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> <m2pmhxabcj.fsf@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, gregory@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Gerd Möllmann <gerd.moellmann@HIDDEN> > Cc: Gregory Heytings <gregory@HIDDEN>, andreyorst@HIDDEN, > 56683 <at> debbugs.gnu.org > Date: Fri, 22 Jul 2022 08:51:56 +0200 > > If we really want infinity, how about setting last_visible_x to -1 in > that case. But that requires checking/changing some places where > the iterator pisition is tested against last_visible_x. I don't really see how this could help in general, because the current_x member (what you call the "iterator position") will still overflow at some point, and we can no longer do any layout decisions for the X coordinate after that. Or what am I missing? > Your "ticks" check kicks in should be burn to much time because of the > infinite last x, right? Sorry, I don't think I understand what you are asking here. Please elaborate or rephrase.
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
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From: =?utf-8?Q?Gerd_M=C3=B6llmann?= <gerd.moellmann@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when
lines are truncated
In-Reply-To: <83wnc5lkvv.fsf@HIDDEN> (Eli Zaretskii's message of "Fri, 22 Jul
2022 09:30:28 +0300")
References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN>
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Date: Fri, 22 Jul 2022 09:28:26 +0200
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Eli Zaretskii <eliz@HIDDEN> writes:
> I think we should take look at this fragment from hscroll_window_tree:
>
> /* Move iterator to pt starting at cursor_row->start in
> a line with infinite width. */
> init_to_row_start (&it, w, cursor_row);
> if (hscl)
> it.first_visible_x = window_hscroll_limited (w, it.f)
> * FRAME_COLUMN_WIDTH (it.f);
> it.last_visible_x = DISP_INFINITY;
> move_it_in_display_line_to (&it, pt, -1, MOVE_TO_POS);
> /* If the line ends in an overlay string with a newline,
> we might infloop, because displaying the window will
> want to put the cursor after the overlay, i.e. at X
> coordinate of zero on the next screen line. So we
> use the buffer position prior to the overlay string
> instead. */
> if (it.method == GET_FROM_STRING && pt > 1)
> {
> init_to_row_start (&it, w, cursor_row);
> if (hscl)
> it.first_visible_x = (window_hscroll_limited (w, it.f)
> * FRAME_COLUMN_WIDTH (it.f));
> move_it_in_display_line_to (&it, pt - 1, -1, MOVE_TO_POS);
> }
>
> Specifically, init_to_row_start can potentially start from a very far
> away buffer position, especially in buffers with a single long line,
I'm not sure. Cursor_row comes from here:
if (w->cursor.vpos < bottom_row - w->desired_matrix->rows)
cursor_row = MATRIX_ROW (w->desired_matrix, w->cursor.vpos);
else
cursor_row = bottom_row - 1;
if (!cursor_row->enabled_p)
{
bottom_row = MATRIX_BOTTOM_TEXT_ROW (w->current_matrix, w);
if (w->cursor.vpos < bottom_row - w->current_matrix->rows)
cursor_row = MATRIX_ROW (w->current_matrix, w->cursor.vpos);
else
cursor_row = bottom_row - 1;
}
In my own words, either cursor_row has just been produced in the
desired_matrix, or it has been produced previously, and is now part of
the current matrix.
Doesn't that mean it was already subject to the iterator narrowing?
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
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bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
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[79.227.168.186]) by smtp.gmail.com with ESMTPSA id ku7-20020a170907788700b007052b183d51sm1653793ejc.132.2022.07.21.23.51.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Jul 2022 23:51:57 -0700 (PDT) From: =?utf-8?Q?Gerd_M=C3=B6llmann?= <gerd.moellmann@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <83y1wlllnc.fsf@HIDDEN> (Eli Zaretskii's message of "Fri, 22 Jul 2022 09:13:59 +0300") References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> <83y1wlllnc.fsf@HIDDEN> Date: Fri, 22 Jul 2022 08:51:56 +0200 Message-ID: <m2pmhxabcj.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (darwin) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 1.0 (+) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org, Gregory Heytings <gregory@HIDDEN> X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Eli Zaretskii <eliz@HIDDEN> writes: >> Date: Thu, 21 Jul 2022 20:15:55 +0000 >> From: Gregory Heytings <gregory@HIDDEN> >> cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org >>=20 >> > Is this related to the below (from xdisp.c)? >> > >> > #define DISP_INFINITY 10000000 >> > >> > Maybe we should make "infinity" somewhat larger? dictionary.json has = a=20 >> > single line that is 18922365 characters long, so it's "more than=20 >> > infinity". >>=20 >> It is indeed, setting DISP_INFINITY to 1000000000 "fixes" that bug.=20 >> But... how infinite is infinite? (A near-philosophical question =F0=9F= =98=89) Don't think too much about it, it didn't do good to Georg Cantor. BTW, Omega would be a really cool name for that INFINITY; the smallest position beyond all finite x. >> With a somewhat larger file (that one is only 20 MB) we'd have to increa= se=20 >> it again. If that's a hard-coded limit, I guess it's a sign that we=20 >> should advise against using toggle-truncate-lines in buffer with long=20 >> lines. > > We could enlarge the value to INT_MAX, or even make the X-coordinate > members of the iterator structure have the type ptrdiff_t and then > DISP_INFINITY could be PTRDIFF_MAX (which would be undesirable in > general for performance reasons). But that would not solve the > problem completely, because the value is in pixels. So with the > largest possible line length, which is EMACS_INT_MAX characters long, > we'd need at least 7 or 8 times that for the X-coordinate values, and > we don't have that even in 64-bit builds. > > If we want to advise against truncate-lines in such buffers, perhaps > toggle-truncate-lines should ask for confirmation in such cases, and > the documentation should mention the limitation. > > Gerd, any ideas or comments? I had to look around a bit, because I didn't remember that constant. It seems to have been introduced for horizontal scroll bars, I think. If we really want infinity, how about setting last_visible_x to -1 in that case. But that requires checking/changing some places where the iterator pisition is tested against last_visible_x. I think that's okay. WDYT? Your "ticks" check kicks in should be burn to much time because of the infinite last x, right?
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 22 Jul 2022 06:34:27 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jul 22 02:34:27 2022 Received: from localhost ([127.0.0.1]:39913 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEmF1-0004Ow-6U for submit <at> debbugs.gnu.org; Fri, 22 Jul 2022 02:34:27 -0400 Received: from heytings.org ([95.142.160.155]:47590) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <gregory@HIDDEN>) id 1oEmEz-0004Oo-H3 for 56683 <at> debbugs.gnu.org; Fri, 22 Jul 2022 02:34:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658471664; bh=wCJab4sMiSmEM9+x+Qdp0hTmBIlcWeIWO9zdwR8WLKQ=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=WpSgOVljRDniTl2akJS+wpmE5Yso5fQiMjQbzQHAP0yFn4WevME6+ZLMOI6fQPMmm kYA8PCbc0n6QUh4E1bVHKI/+V6yRoJzX31Ftm+RXrjpJLBvdOdeatGcW8ANtDCi7Gi 0BZ5X+VRSZdE8OplStd2Ts7/VzG4Am6D6CLTuQjamB/iQ9ii71S6aCQ4rEH462BeSZ q+xj/W3BRZm/bVinizmpDKOWFHcaMw3OJXhSXBc+J8yvMPQAsFf2nb/6mUjG6/wRNT iqhxeFjDoeVdnNartGBkDGTMqZRdWoCa3EuPKQwwX6Ytnx0XIhiKJ3dYyOeuAjcNvd K1KHO481VuBrg== Date: Fri, 22 Jul 2022 06:34:23 +0000 From: Gregory Heytings <gregory@HIDDEN> To: Andrey Listopadov <andreyorst@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <878rolbu7r.fsf@HIDDEN> Message-ID: <174616cd5c921541f5b8@HIDDEN> References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <87czdyb3t5.fsf@HIDDEN> <b7551196d5bd6fb1e821@HIDDEN> <878rolbu7r.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="XFS5cle5tR" Content-ID: <174616cd5ce86bbf14ad@HIDDEN> X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) --XFS5cle5tR Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Content-ID: <174616cd5cb179a0fd05@HIDDEN> Thanks again for your comments. > > It depends, occasionally there are lines with JSONs maybe one third of=20 > the size of the mentioned dictionary.json. But these are rare cases,=20 > most of the time the longest lines are about 3000 characters wide, I=20 > guess I have to measure it next time. So probably a smaller amount than= =20 > 10000 to enable optimizations is welcome. > FTR, in buffers with lines that are "only" 3000 characters wide, long line= =20 optimizations are not turned on by default (see long-line-threshold, which= =20 is set to 10000 by default), such buffers should behave "well enough"=20 without them. > > One particularly interesting situation is when there are logs which span= =20 > such long lines on every line, e.g.: > > 1 log-line-with-1800-chars=E2=86=92 > 2 log-line-with-3000-chars=E2=86=92 > 3 log-line-with-2000-chars=E2=86=92 > 4 log-line-with-1500-chars=E2=86=92 > ... > 1830 log-line-with-1500-chars > > In this case, if I wasn't using truncation I would see only the first=20 > line of the log, wrapped around and taking all screen space, but since=20 > lines are truncated, I have ~70 very long lines displayed on screen. > I understand. It's an interesting use case. > > I've taken dictionary.json, and used C-u 70 M-x duplicate-line, and it=20 > does seem to perform well (or at least Emacs doesn't hang completely),=20 > but there are some occasional slowdowns (Probably because of=20 > show-paren-mode). > At the moment I think it would be better to advise against using truncated= =20 lines for such pathological files. As Eli just said, it would probably be= =20 rather complex to remove the hard-coded limit in the Emacs display engine. --XFS5cle5tR--
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From: Eli Zaretskii <eliz@HIDDEN>
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In-Reply-To: <b7551196d54434aeb8a7@HIDDEN> (message from Gregory
Heytings on Thu, 21 Jul 2022 19:45:19 +0000)
Subject: Re: bug#56683: 29.0.50;
long lines fix doesn't work correctly when lines are truncated
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> Cc: 56683 <at> debbugs.gnu.org
> Date: Thu, 21 Jul 2022 19:45:19 +0000
> From: Gregory Heytings <gregory@HIDDEN>
>
> > As a side question, does these optimizations work with truncated lines?
> > As far as I can tell Emacs is not as responsive as when the lines are
> > wrapped, but I don't know how to measure this precisely.
>
> They do work with truncated lines, but I suspect that truncated lines
> require specific fixes to work efficiently.
I think we should take look at this fragment from hscroll_window_tree:
/* Move iterator to pt starting at cursor_row->start in
a line with infinite width. */
init_to_row_start (&it, w, cursor_row);
if (hscl)
it.first_visible_x = window_hscroll_limited (w, it.f)
* FRAME_COLUMN_WIDTH (it.f);
it.last_visible_x = DISP_INFINITY;
move_it_in_display_line_to (&it, pt, -1, MOVE_TO_POS);
/* If the line ends in an overlay string with a newline,
we might infloop, because displaying the window will
want to put the cursor after the overlay, i.e. at X
coordinate of zero on the next screen line. So we
use the buffer position prior to the overlay string
instead. */
if (it.method == GET_FROM_STRING && pt > 1)
{
init_to_row_start (&it, w, cursor_row);
if (hscl)
it.first_visible_x = (window_hscroll_limited (w, it.f)
* FRAME_COLUMN_WIDTH (it.f));
move_it_in_display_line_to (&it, pt - 1, -1, MOVE_TO_POS);
}
Specifically, init_to_row_start can potentially start from a very far
away buffer position, especially in buffers with a single long line,
and AFAICT the subroutines called by init_to_row_start aren't
restricted to the "narrowing" for long lines, so they go to BOB in
this case. The problem here is that this code handles automatic
hscrolling, so any changes to it need to be careful not to destroy the
use case of moving point horizontally to a position that is beyond the
right or left window edge (which is what auto-hscroll is for).
Alternatively, maybe automatic hscrolling should be disabled in such
buffers (or we should advise that), and then we should have convenient
commands to hscroll manually so as to bring point into the view.
(Maybe we even have such commands already, I don't know.)
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 22 Jul 2022 06:14:17 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jul 22 02:14:17 2022 Received: from localhost ([127.0.0.1]:39898 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oElvT-0003rR-7S for submit <at> debbugs.gnu.org; Fri, 22 Jul 2022 02:14:16 -0400 Received: from eggs.gnu.org ([209.51.188.92]:54944) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oElvO-0003r8-MW for 56683 <at> debbugs.gnu.org; Fri, 22 Jul 2022 02:14:14 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:38868) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oElvJ-0000Nv-6b; Fri, 22 Jul 2022 02:14:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=xKA4l5kgTNxTyk+KP3Mz00k+bTS4iOaeZaXKqCfiWM0=; b=RToDrMQ3DbvARGFB+CHA tKz5N/2q0C+Yf6KCAzpv1FXSOOa2NItUnLCDTC/FlFvqOSmSOCRlNsNvBlXxDZE158su6hoZdYGEg MQvTBOwUIax8qm66qzbOT88xUydoXTETHLqgtrba0FaBsTxmT2Ia0yu93WgDb3QV7pi9w3uU56iCM VeF7US2C9RBKDa2GUeJoDQ5K1Dvk030FC40Covavl5/1a1o0rvUuJgIkWgH/S/kIc85OR/htxNVKJ fNi02zUzGs3mfI5yBj/J8k7EXwohVGdqQhFSIPk5sZErIqou+47MC8RhcuP+KzUfimwU0Q9zroSr2 CrpmPLieg80sHg==; Received: from [87.69.77.57] (port=4277 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oElvI-00044v-MX; Fri, 22 Jul 2022 02:14:05 -0400 Date: Fri, 22 Jul 2022 09:13:59 +0300 Message-Id: <83y1wlllnc.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gregory Heytings <gregory@HIDDEN>, =?utf-8?Q?Gerd_M=C3=B6llmann?= <gerd.moellmann@HIDDEN> In-Reply-To: <b7551196d5203b87e6ec@HIDDEN> (message from Gregory Heytings on Thu, 21 Jul 2022 20:15:55 +0000) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> <b7551196d5203b87e6ec@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Date: Thu, 21 Jul 2022 20:15:55 +0000 > From: Gregory Heytings <gregory@HIDDEN> > cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org > > > Is this related to the below (from xdisp.c)? > > > > #define DISP_INFINITY 10000000 > > > > Maybe we should make "infinity" somewhat larger? dictionary.json has a > > single line that is 18922365 characters long, so it's "more than > > infinity". > > It is indeed, setting DISP_INFINITY to 1000000000 "fixes" that bug. > But... how infinite is infinite? (A near-philosophical question 😉) > With a somewhat larger file (that one is only 20 MB) we'd have to increase > it again. If that's a hard-coded limit, I guess it's a sign that we > should advise against using toggle-truncate-lines in buffer with long > lines. We could enlarge the value to INT_MAX, or even make the X-coordinate members of the iterator structure have the type ptrdiff_t and then DISP_INFINITY could be PTRDIFF_MAX (which would be undesirable in general for performance reasons). But that would not solve the problem completely, because the value is in pixels. So with the largest possible line length, which is EMACS_INT_MAX characters long, we'd need at least 7 or 8 times that for the X-coordinate values, and we don't have that even in 64-bit builds. If we want to advise against truncate-lines in such buffers, perhaps toggle-truncate-lines should ask for confirmation in such cases, and the documentation should mention the limitation. Gerd, any ideas or comments?
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
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References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN>
<87czdyb3t5.fsf@HIDDEN> <b7551196d5bd6fb1e821@HIDDEN>
User-agent: mu4e 1.6.6; emacs 29.0.50
From: Andrey Listopadov <andreyorst@HIDDEN>
To: Gregory Heytings <gregory@HIDDEN>
Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when
lines are truncated
Date: Fri, 22 Jul 2022 08:03:27 +0300
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> How long is a "really long line" in a log file? Do you think 1000 or
> 10000 characters is a reasonable upper limit for your use case?
It depends, occasionally there are lines with JSONs maybe one third of
the size of the mentioned dictionary.json. But these are rare cases,
most of the time the longest lines are about 3000 characters wide, I
guess I have to measure it next time. So probably a smaller amount than
10000 to enable optimizations is welcome.
One particularly interesting situation is when there are logs which span
such long lines on every line, e.g.:
1 log-line-with-1800-chars=E2=86=92
2 log-line-with-3000-chars=E2=86=92
3 log-line-with-2000-chars=E2=86=92
4 log-line-with-1500-chars=E2=86=92
...
1830 log-line-with-1500-chars
In this case, if I wasn't using truncation I would see only the first
line of the log, wrapped around and taking all screen space, but since
lines are truncated, I have ~70 very long lines displayed on screen.
I've taken dictionary.json, and used C-u 70 M-x duplicate-line, and it
does seem to perform well (or at least Emacs doesn't hang completely),
but there are some occasional slowdowns (Probably because of
show-paren-mode).
--
Andrey Listopadov
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 21 Jul 2022 20:52:53 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Jul 21 16:52:53 2022 Received: from localhost ([127.0.0.1]:39327 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEdAD-00038A-2f for submit <at> debbugs.gnu.org; Thu, 21 Jul 2022 16:52:53 -0400 Received: from heytings.org ([95.142.160.155]:47114) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <gregory@HIDDEN>) id 1oEdA6-00037v-4I for 56683 <at> debbugs.gnu.org; Thu, 21 Jul 2022 16:52:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658436764; bh=bXSxR7TegBum2w1FK8PT44ZahkHW1hZrrx96SsSoVLA=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=5DoGpM+FW7EaKdTHnu++4ckzoDfGebSkzfJ7Tdz8y/HgizdkY/vYMkEE7qnvTi+dX NyV+l03YrKXStIAfu2LNYQLnNsK+xHJBt6p3Itqpo9RXQe+t0/8XlTvjMOEXd6vr+f xaz1qaUfm6byCLYQenLXGuis96pRyDsMdtFtrTDOoF5zr05b6hOZ1a1J6MeQFUy7H+ k2yfS9vv5lstwRG/mKV6mkHN3Z5A9smOYnQekiIQtWOrzsTHE1aKW2+y7qKdr3pEf5 BSGt1+2OgndgYHWSO8oUJQ5FB+0e9PLk7/9mg1Ha+FRJDPqk4yD6ONjGmtg6gVZ3uN GPyKpi53IJMfA== Date: Thu, 21 Jul 2022 20:52:44 +0000 From: Gregory Heytings <gregory@HIDDEN> To: Andrey Listopadov <andreyorst@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <87czdyb3t5.fsf@HIDDEN> Message-ID: <b7551196d5bd6fb1e821@HIDDEN> References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <87czdyb3t5.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Thanks for your comments. >> They do work with truncated lines, but I suspect that truncated lines >> require specific fixes to work efficiently. > > Thanks! I've asked because It's important to me that Emacs is > responsive if I open a log file with really long lines. Truncated lines > make such logs much easier to read, as I can compare lines above and > below the very long one, without scrolling. > How long is a "really long line" in a log file? Do you think 1000 or 10000 characters is a reasonable upper limit for your use case?
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 21 Jul 2022 20:37:20 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Jul 21 16:37:20 2022 Received: from localhost ([127.0.0.1]:39323 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEcvA-0000Yj-Gu for submit <at> debbugs.gnu.org; Thu, 21 Jul 2022 16:37:20 -0400 Received: from mail-ed1-f46.google.com ([209.85.208.46]:41885) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <andreyorst@HIDDEN>) id 1oEcv7-0000YS-RD for 56683 <at> debbugs.gnu.org; Thu, 21 Jul 2022 16:37:18 -0400 Received: by mail-ed1-f46.google.com with SMTP id c72so733549edf.8 for <56683 <at> debbugs.gnu.org>; Thu, 21 Jul 2022 13:37:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=references:user-agent:from:to:subject:date:in-reply-to:message-id :mime-version; bh=we9cFjGvHMpw05ttmAMv2n0otRuQWDCcRDkxeUbm5Sc=; b=jK0lTUHE3dBEZXdC/zqirzYrb0/hP+GHN7G0RnjeJKcDd3V1csS10/NsqqJGinuAHl zrXfMQJsccrdtNmANEzLe+JElWVtFj2Z4g3VBJXl1vwQ5/L7Sr7AsBFSTzwN3r7yru7U iA1pO+vTOo8tXMgg9Xe4KFGgtPsjPaOyD/+CLUjnxZGRBwzRYCUMldz2nncwlazBjXqn 0pb5IqRjtfERUaZmo/Jz635UErzqltGSmH9uM3aFd8lu20PJ/ovmqhiUdFWQu6VYfTpF KeitFB1U5lM0tW44IZlBQQNzDiyiA0Z5x7Y4N0eyu6cFyUwSTB7rNUPnQDfJxWUz4O3L DJpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:references:user-agent:from:to:subject:date :in-reply-to:message-id:mime-version; bh=we9cFjGvHMpw05ttmAMv2n0otRuQWDCcRDkxeUbm5Sc=; b=3KzQ/DGpo2o2ojAXTHH7vsEDH1no3ykY/XmNIs4eAZzMOfW5qAMxlu+rRHWd2OjxZR M3+ExaRcQZwKafZRrhl4YqRH7+QeF3Wuwe4oWQbCFauqHczZCVekjvYs+D4So4bEfbdK DHwhIqBwWV54i/k/K6silDuZ5Ia/kwzfd8ZukiDts5YYw8ooComF0AJkXUJPCT+G0BZL vHdLFj1HXMk0v796dUwH4HZ7P7wXF8dwFvffp+NkVrVlTFHTXjsdtT0y7jEbg6kSaXSA mMkaBJQutUMwXidPuWc05HjPNQfs79gVch+/oKRlPFP/d4nznmzCaQuhlNF11+FcPRwj 4DUw== X-Gm-Message-State: AJIora/hotdpsJV6YwiKmwuCoxwALese/0nfzCctoX6kg7K+3ZH/UY+u 8d3RWbcbFQIf+LsKAACcoaMWZcM3MVQ= X-Google-Smtp-Source: AGRyM1vv6r/E62ofIC5UFXsLs2G5aYFKSOm9cvDt+G5KC1cBhMl0RRw+vOi8NIjcf9Y+uYI6SOuSmQ== X-Received: by 2002:aa7:d64b:0:b0:43b:1f5d:1443 with SMTP id v11-20020aa7d64b000000b0043b1f5d1443mr131438edr.370.1658435831933; Thu, 21 Jul 2022 13:37:11 -0700 (PDT) Received: from s540.smtp.gmail.com (broadband-90-154-70-5.ip.moscow.rt.ru. [90.154.70.5]) by smtp.gmail.com with ESMTPSA id dk20-20020a0564021d9400b0043a71775903sm1526428edb.39.2022.07.21.13.37.11 for <56683 <at> debbugs.gnu.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Jul 2022 13:37:11 -0700 (PDT) References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> User-agent: mu4e 1.6.6; emacs 29.0.50 From: Andrey Listopadov <andreyorst@HIDDEN> To: 56683 <at> debbugs.gnu.org Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated Date: Thu, 21 Jul 2022 23:31:35 +0300 In-reply-to: <b7551196d54434aeb8a7@HIDDEN> Message-ID: <87czdyb3t5.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 56683 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Gregory Heytings <gregory@HIDDEN> writes: > You would have seen the same bug before the merge, so it's entirely > unrelated to the merge. It is present at least in Emacs 24, 25, 26, > 27 and 28. Oh, well. Then it seems that I've simply never noticed this before, perhaps because Emacs couldn't handle such long lines. Feel free to close this then, if this is intended/known. > They do work with truncated lines, but I suspect that truncated lines > require specific fixes to work efficiently. Thanks! I've asked because It's important to me that Emacs is responsive if I open a log file with really long lines. Truncated lines make such logs much easier to read, as I can compare lines above and below the very long one, without scrolling. -- Andrey Listopadov
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 21 Jul 2022 20:15:59 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Jul 21 16:15:59 2022 Received: from localhost ([127.0.0.1]:39304 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEcaV-0008Qd-4K for submit <at> debbugs.gnu.org; Thu, 21 Jul 2022 16:15:59 -0400 Received: from heytings.org ([95.142.160.155]:47082) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <gregory@HIDDEN>) id 1oEcaT-0008QT-FZ for 56683 <at> debbugs.gnu.org; Thu, 21 Jul 2022 16:15:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658434555; bh=3F+6Md+54dMg3hNOlssHyqhyD2QT0vRSC53YtghJ/cs=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=lH6+1AUWWYoCsMzTX98OGg9XYy1AZmqjcAyEPVv8cXDXjwAguYewcNmujr2uyxrZa 6buUNVNhcq6JXZRburMVy3eFTJBjIfCtm8vR5+QctrB7jkF2jJyuYKHPZj6J8ez4nX Xxy0N4Uvl9z6szF5rGsb6ClLcwJJy6Lk62sxfhcPCYhvIX26PipaKp6cm7SXwpP7si aKBKadGLf/jKOjGzp5UUquysa1oUlqvqK+KIFwYrHEgZH5IoSQErQ9xZ7L6W6A44N8 AtHYINIoy/lld6enoRWk+Y2xWZArmHRz2q/4GMVpnVpbLrpVEP170E8WNIKpqdBazd 8J7PWlYXVU9Qg== Date: Thu, 21 Jul 2022 20:15:55 +0000 From: Gregory Heytings <gregory@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <83zgh2kzlo.fsf@HIDDEN> Message-ID: <b7551196d5203b87e6ec@HIDDEN> References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> <83zgh2kzlo.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="31SQA5rcgw" X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) --31SQA5rcgw Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable > > Is this related to the below (from xdisp.c)? > > #define DISP_INFINITY 10000000 > > Maybe we should make "infinity" somewhat larger? dictionary.json has a= =20 > single line that is 18922365 characters long, so it's "more than=20 > infinity". > It is indeed, setting DISP_INFINITY to 1000000000 "fixes" that bug.=20 But... how infinite is infinite? (A near-philosophical question =F0=9F=98= =89)=20 With a somewhat larger file (that one is only 20 MB) we'd have to increase= =20 it again. If that's a hard-coded limit, I guess it's a sign that we=20 should advise against using toggle-truncate-lines in buffer with long=20 lines. --31SQA5rcgw--
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 21 Jul 2022 19:58:10 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Jul 21 15:58:10 2022 Received: from localhost ([127.0.0.1]:39283 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEcJG-0007x3-0l for submit <at> debbugs.gnu.org; Thu, 21 Jul 2022 15:58:10 -0400 Received: from eggs.gnu.org ([209.51.188.92]:54274) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1oEcJC-0007wX-8u for 56683 <at> debbugs.gnu.org; Thu, 21 Jul 2022 15:58:08 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:57752) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEcJ6-0006rS-Mb; Thu, 21 Jul 2022 15:58:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=cBgYpSLlvfYBHbrS6Nb4WWZ/MWp/+PxI/B2SqPFMPEU=; b=aT7P64mUSucZcJHH2z7S LMrSoveYlCcccon1rRXNnbVC9gTMzR86JmFZGAE7jRsL6FkxlGyFwKuDhndXzYuuzcsMt2TnU/mJi SiWBfXldZUKGaxiKuXvYdv4v1OLHjyAHCNQ3QZvRDabEjKCvCFilA9mnFeG7yu4PxPpoFoTga+8uQ r8x7Pcn2iKq9JGaVqfyFNEaFKopGxFpa8p2kW5oOhQfavORXwPZ0q/ayRA4JvIcoD6VyaDPFwcNK7 LdHnNaGIgRxHPYA3gynIEcBnVbgx21XmbqqCrN3w30nVEO9nlZmSKQtbOIeuyG7+Q3eO311ILBgcF 3832U9BsdwGVGQ==; Received: from [87.69.77.57] (port=2463 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1oEcJ6-0006M1-5j; Thu, 21 Jul 2022 15:58:00 -0400 Date: Thu, 21 Jul 2022 22:57:55 +0300 Message-Id: <83zgh2kzlo.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gregory Heytings <gregory@HIDDEN> In-Reply-To: <b7551196d54434aeb8a7@HIDDEN> (message from Gregory Heytings on Thu, 21 Jul 2022 19:45:19 +0000) Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated References: <87h73ab8bo.fsf@HIDDEN> <b7551196d54434aeb8a7@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56683 Cc: andreyorst@HIDDEN, 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Cc: 56683 <at> debbugs.gnu.org > Date: Thu, 21 Jul 2022 19:45:19 +0000 > From: Gregory Heytings <gregory@HIDDEN> > > > I'm using emacs with `truncate-lines` set to `t` in my init.el. After > > the merge of #56393 I've rebuilt Emacs, and started testing the fix. > > I've noticed, that when lines are truncated, opening dictionary.json > > from the #45898 and pressing C-e doesn't move you to the end of the > > line, but stops somewhere inside it. E.g. with the default window width > > of Emacs -Q, I can see the following portion of the line > > > > ←, "hu": ["index"]}, "examples": [["en C la indicoj aperas interortajkrampoj, → > > > > Arrows shown in the fringe indicate that there are more to the line on > > the right side. > > > > You would have seen the same bug before the merge, so it's entirely > unrelated to the merge. It is present at least in Emacs 24, 25, 26, 27 > and 28. Is this related to the below (from xdisp.c)? #define DISP_INFINITY 10000000 Maybe we should make "infinity" somewhat larger? dictionary.json has a single line that is 18922365 characters long, so it's "more than infinity".
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
Full text available.Received: (at 56683) by debbugs.gnu.org; 21 Jul 2022 19:45:28 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Jul 21 15:45:28 2022 Received: from localhost ([127.0.0.1]:39271 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1oEc6w-0007aT-NH for submit <at> debbugs.gnu.org; Thu, 21 Jul 2022 15:45:28 -0400 Received: from heytings.org ([95.142.160.155]:47040) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <gregory@HIDDEN>) id 1oEc6r-0007aC-5A for 56683 <at> debbugs.gnu.org; Thu, 21 Jul 2022 15:45:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1658432719; bh=YdqCIDJRKFQxhHmNQ1GLWgZXr/4aKNZFJGlzuTnsQ0E=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=lvZIw7iLeQEuZaKjMTKfCIrbnYsCBzCjPxrX8SXrANgIISrf1kNoBZCKkOTI4otUb ehcOH0CcchlUip/Udc1VoxGD6z7SCvDS+T7dueyFGbI971QR103hbl3Lvba9EAm/le 8/XCDzCLnlOA5ad/qkEPuGsMjhmLJApJv8ASgPqtGWSXsGt5+SmrO408w0HTJDTThv WnTWDFLPSVXIQuOdRgk87qVNV3CX3ebpIl44FG4ksjJ12pX01xZly48HfhRYId1D6H +irwtk3ZsjGlFiZaox4ey4vTIkb19VyITd67VvvenH/z0tSO8LdXPZcA08Le33EOwW ccfKjY9Vye6AQ== Date: Thu, 21 Jul 2022 19:45:19 +0000 From: Gregory Heytings <gregory@HIDDEN> To: Andrey Listopadov <andreyorst@HIDDEN> Subject: Re: bug#56683: 29.0.50; long lines fix doesn't work correctly when lines are truncated In-Reply-To: <87h73ab8bo.fsf@HIDDEN> Message-ID: <b7551196d54434aeb8a7@HIDDEN> References: <87h73ab8bo.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="gC4JE3gtHw" Content-ID: <b7551196d5081760b545@HIDDEN> X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 56683 Cc: 56683 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) --gC4JE3gtHw Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Content-ID: <b7551196d5481c4adbc4@HIDDEN> > > I'm using emacs with `truncate-lines` set to `t` in my init.el. After=20 > the merge of #56393 I've rebuilt Emacs, and started testing the fix.=20 > I've noticed, that when lines are truncated, opening dictionary.json=20 > from the #45898 and pressing C-e doesn't move you to the end of the=20 > line, but stops somewhere inside it. E.g. with the default window width= =20 > of Emacs -Q, I can see the following portion of the line > > =E2=86=90, "hu": ["index"]}, "examples": [["en C la indicoj aperas intero= rtajkrampoj, =E2=86=92 > > Arrows shown in the fringe indicate that there are more to the line on=20 > the right side. > You would have seen the same bug before the merge, so it's entirely=20 unrelated to the merge. It is present at least in Emacs 24, 25, 26, 27=20 and 28. > > As a side question, does these optimizations work with truncated lines?= =20 > As far as I can tell Emacs is not as responsive as when the lines are=20 > wrapped, but I don't know how to measure this precisely. > They do work with truncated lines, but I suspect that truncated lines=20 require specific fixes to work efficiently. --gC4JE3gtHw--
bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
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[90.154.70.5]) by smtp.gmail.com with ESMTPSA id k7-20020a056402048700b0043a61f6c389sm1419941edv.4.2022.07.21.11.59.40 for <bug-gnu-emacs@HIDDEN> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Jul 2022 11:59:40 -0700 (PDT) User-agent: mu4e 1.6.6; emacs 29.0.50 From: Andrey Listopadov <andreyorst@HIDDEN> To: bug-gnu-emacs@HIDDEN Subject: 29.0.50; long lines fix doesn't work correctly when lines are truncated Date: Thu, 21 Jul 2022 21:49:47 +0300 Message-ID: <87h73ab8bo.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::52e; envelope-from=andreyorst@HIDDEN; helo=mail-ed1-x52e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.3 (-) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.3 (--) I'm using emacs with `truncate-lines` set to `t` in my init.el. After the merge of #56393 I've rebuilt Emacs, and started testing the fix. I've noticed, that when lines are truncated, opening dictionary.json from the #45898 and pressing C-e doesn't move you to the end of the line, but stops somewhere inside it. E.g. with the default window width of Emacs -Q, I can see the following portion of the line =E2=86=90, "hu": ["index"]}, "examples": [["en C la indicoj aperas inter or= tajkrampoj, =E2=86=92 Arrows shown in the fringe indicate that there are more to the line on the right side. As a side question, does these optimizations work with truncated lines? As far as I can tell Emacs is not as responsive as when the lines are wrapped, but I don't know how to measure this precisely. In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.30, c= airo version 1.17.4) of 2022-07-21 built on toolbox Repository revision: 4a4fcf628e1e4c8db47cd62fa5617b662fa8b5d6 Repository branch: master System Description: Fedora Linux 36 (Workstation Edition) Configured using: 'configure --without-compress-install --with-native-compilation --with-pgtk --with-mailutils --prefix=3D/home/alist/.local' Configured features: ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PGTK PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS XIM GTK3 ZLIB Important settings: value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=3Dibus locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t global-eldoc-mode: t eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t line-number-mode: t indent-tabs-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: None found. Features: (comp comp-cstr warnings rx cl-seq cl-macs gv cl-extra bytecomp byte-compile cconv help-mode pp shadow sort mail-extr emacsbug message mailcap yank-media puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068 epg-config gnus-util text-property-search time-date subr-x mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils rmc iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/pgtk-win pgtk-win term/common-win pgtk-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic indonesian philippine cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind inotify dynamic-setting system-font-setting font-render-setting cairo gtk pgtk lcms2 multi-tty make-network-process native-compile emacs) Memory information: ((conses 16 82646 9587) (symbols 48 7091 6) (strings 32 19214 1773) (string-bytes 1 656752) (vectors 16 15347) (vector-slots 8 284088 17444) (floats 8 173 66) (intervals 56 698 7) (buffers 992 13)) -- Andrey Listopadov
Andrey Listopadov <andreyorst@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#56683; Package emacs.
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