bug#52947: 29.0.50; Newline in tab-bar-format causes lockup

[Juri Linkov]

close 52947 28.0.90
thanks

>> (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.

I guess this can be closed now.