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patch 9.0.1767: '.-' no allowed in highlight group names

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Problem:  '.-' no allowed in highlight group names
Solution: Allow dot and hyphen characters in highlight group names

Allow dots and hyphens in group names. There does not seem
to be any reason for these to be disallowed.

closes: #12807

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Gregory Anders <greg@gpanders.com>
Co-authored-by: Sean Dewar <seandewar@users.noreply.github.com>
This commit is contained in:
Gregory Anders
2023-08-20 19:14:03 +02:00
committed by Christian Brabandt
parent bedc69f9d6
commit d4376dc3eb
3 changed files with 8 additions and 6 deletions
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4
src/highlight.c
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@@ -3452,7 +3452,7 @@ syn_add_group(char_u *name)
char_u *p;
char_u *name_up;
// Check that the name is ASCII letters, digits and underscore.
// Check that the name is valid (ASCII letters, digits, underscores, dots, or hyphens).
for (p = name; *p != NUL; ++p)
{
if (!vim_isprintc(*p))
@@ -3461,7 +3461,7 @@ syn_add_group(char_u *name)
vim_free(name);
return 0;
}
else if (!ASCII_ISALNUM(*p) && *p != '_')
else if (!ASCII_ISALNUM(*p) && *p != '_' && *p != '.' && *p != '-')
{
// This is an error, but since there previously was no check only
// give a warning.