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bug#15396: permanent-local truncate-lines
From: |
Glenn Morris |
Subject: |
bug#15396: permanent-local truncate-lines |
Date: |
Wed, 22 Nov 2017 14:20:47 -0500 |
User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Glenn Morris wrote:
> I wish truncate-lines was permanent local. Motivation:
>
> emacs -Q foo.txt
> where foo.txt has lines longer than the frame width.
> M-x toggle-truncate-lines
> now lines are truncated
> M-x revert-buffer ; or even just change mode
> now lines are untruncated again, grr
Here's a patch to enable this.
--- i/src/buffer.c
+++ w/src/buffer.c
@@ -5128,7 +5128,9 @@ struct mmap_region
XSETFASTINT (BVAR (&buffer_local_flags, selective_display), idx); ++idx;
XSETFASTINT (BVAR (&buffer_local_flags, selective_display_ellipses), idx);
++idx;
XSETFASTINT (BVAR (&buffer_local_flags, tab_width), idx); ++idx;
- XSETFASTINT (BVAR (&buffer_local_flags, truncate_lines), idx); ++idx;
+ XSETFASTINT (BVAR (&buffer_local_flags, truncate_lines), idx);
+ /* Make this one a permanent local. */
+ buffer_permanent_local_flags[idx++] = 1;
XSETFASTINT (BVAR (&buffer_local_flags, word_wrap), idx); ++idx;
XSETFASTINT (BVAR (&buffer_local_flags, ctl_arrow), idx); ++idx;
XSETFASTINT (BVAR (&buffer_local_flags, fill_column), idx); ++idx;
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