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bug#52947: 29.0.50; Newline in tab-bar-format causes lockup
From: |
Eli Zaretskii |
Subject: |
bug#52947: 29.0.50; Newline in tab-bar-format causes lockup |
Date: |
Sun, 02 Jan 2022 21:38:03 +0200 |
> From: Juri Linkov <juri@linkov.net>
> Cc: dlacewell@gmail.com, 52947@debbugs.gnu.org
> Date: Sun, 02 Jan 2022 20:38:31 +0200
>
> > Do we want to support newlines there? what would be the purpose of
> > having newlines in the tabs?
>
> I don't know, menus can't have newlines too.
>
> > Also, you say "display engine", so does it mean you've found where we
> > infloop with these recipes? If so, can you tell the details?
>
> It gives such backtrace:
>
> (gdb) bt
> #0 make_lisp_symbol (sym=0x555555cfd9c0 <lispsym>) at lisp.h:1002
> #1 0x00005555555b9766 in builtin_lisp_symbol (index=0) at lisp.h:1008
> #2 0x00005555555b9cf6 in CHAR_TABLE_REF_ASCII (ct=XIL(0x7ffff0b438dd),
> idx=10) at lisp.h:2031
> #3 0x00005555555b9d3e in CHAR_TABLE_REF (ct=XIL(0x7ffff0b438dd), idx=10) at
> lisp.h:2042
> #4 0x00005555555d16de in lookup_glyphless_char_display (c=10,
> it=0x7fffffff75d0) at xdisp.c:7410
> #5 0x00005555555d1f8c in get_next_display_element (it=0x7fffffff75d0) at
> xdisp.c:7599
> #6 0x00005555555e3133 in display_tab_bar_line (it=0x7fffffff75d0, height=-1)
> at xdisp.c:13389
> #7 0x00005555555e3901 in tab_bar_height (f=0x5555560a2dc8,
> n_rows=0x5555560a2f08, pixelwise=true) at xdisp.c:13515
> #8 0x00005555555e3c27 in redisplay_tab_bar (f=0x5555560a2dc8) at
> xdisp.c:13597
Thanks, should be fixed now on the emacs-28 branch.