emacs/gnu.emacs
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/emacs.git synced 2026-09-10 07:46:51 -04:00
Code Issues Actions Packages Projects Releases Wiki Activity

Avoid assertion violations in 'char-syntax'

Browse source 
* src/syntax.c (Fchar_syntax): Handle multibyte characters even if
the current buffer is unibyte.  Doc fix.  (Bug#81717)
This commit is contained in:
Eli Zaretskii 2026-08-29 19:19:08 +03:00
parent 8c18e3d4e8
commit b115e349e3
1 changed files with 6 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/syntax.c
View file

@ -1102,6 +1102,10 @@ character `w' (119) is returned.
The characters that correspond to various syntax codes
are listed in the documentation of `modify-syntax-entry'.
Caveat: if the current buffer is unibyte, this function interprets
values between 128 and 255 as raw bytes, and returns the syntax of
the correspoinding `eight-bit' character.
If you're trying to determine the syntax of characters in the buffer,
this is probably the wrong function to use, because it can't take
`syntax-table' text properties into account. Consider using
@ -1111,7 +1115,8 @@ this is probably the wrong function to use, because it can't take
CHECK_CHARACTER (character);
int char_int = XFIXNAT (character);
SETUP_BUFFER_SYNTAX_TABLE ();
if (NILP (BVAR (current_buffer, enable_multibyte_characters)))
if (NILP (BVAR (current_buffer, enable_multibyte_characters))
&& SINGLE_BYTE_CHAR_P (char_int))
char_int = make_char_multibyte (char_int);
return make_fixnum (syntax_code_spec[SYNTAX (char_int)]);
}