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bug#58228: 29.0.50; ansi-term display garbled
From: |
Matthias Meulien |
Subject: |
bug#58228: 29.0.50; ansi-term display garbled |
Date: |
Sat, 01 Oct 2022 22:06:03 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Lars Ingebrigtsen <larsi@gnus.org> writes:
> Jose A Ortega Ruiz <jao@gnu.org> writes:
>
>> - M-x ansi-term (accept default /bin/bash)
>>
>> - type anything in the bash prompt that produces output, a simple ls
>> will suffice: the output is garbled, sometimes non-existent (the
>> effect is very dramatic for ncurses apps).
>
> Perhaps this is related to the recent comint/osc stuff? I've added
> Matthias to the CCs.
I don't think so. For example running ansi-term after setting
comint-output-filter-functions to nil leads to the same garbled output.
Bisecting between the parent of (working as expected and not containing
any of my changes to the OSC stuff):
7354f4e3e6..: Matthias Meulien 2022-09-18 Extract support of OSC escape
sequences from comint
and the broken:
cd4208f6d8..: Miha Rihtaršič 2022-09-30 Rename comint-fl-* to
comint-fontify-input-* and mention it in NEWS
leads to the first bad comit being:
matthias@carbon:~/Sources/emacs ((12a78711c9...) $|BISECTING)
↳ git bisect good
3553904a90a242b7ee7b48607ac02cf57e2ab753 is the first bad commit
commit 3553904a90a242b7ee7b48607ac02cf57e2ab753
Author: Eli Zaretskii <eliz@gnu.org>
Date: Fri Sep 30 15:38:22 2022 +0300
Fix some issues with vertical-motion in bidi-reordered text
This fixes some uses of vertical-motion when a screen line
starts withcharacters of directionality that is opposite to
the current paragraph's base direction.
* src/xdisp.c (move_it_vertically_backward): Adjust NLINES to
compensate for its increasing when DY == 0.
src/xdisp.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
--
Matthias