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Improve doc of font-lock-keywords.

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Richard M. Stallman 2001-12-11 06:10:32 +00:00
parent 4b12215e3e
commit 07f7b41c2f
1 changed files with 9 additions and 2 deletions
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11
lispref/modes.texi
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@ -1824,8 +1824,15 @@ Find text by calling @var{function}, and highlight the matches
it finds using @code{font-lock-keyword-face}.
When @var{function} is called, it receives one argument, the limit of
the search. It should return non-@code{nil} if it succeeds, and set the
match data to describe the match that was found.
the search; it should searching at point, and not search beyond the
limit. It should return non-@code{nil} if it succeeds, and set the
match data to describe the match that was found. Returning @code{nil}
indicates failure of the search.
Fontification will call @var{function} repeatedly with the same limit,
and with point where the previous invocation left it, until
@var{function} fails. On failure, @var{function} need not reset point
in any particular way.
@item (@var{matcher} . @var{match})
In this kind of element, @var{matcher} is either a regular