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Fix doc of font-lock-syntactic-face-function

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* doc/lispref/modes.texi (Syntactic Font Lock): Don't refer to
no-longer-existing OTHER-VARS (bug#17730) and include an example.
This commit is contained in:
Lars Ingebrigtsen 2019-11-03 17:19:26 +01:00
parent 2ad06e28e3
commit fc6f1f59fe
1 changed files with 13 additions and 3 deletions
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16
doc/lispref/modes.texi
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@ -3381,13 +3381,23 @@ Table Functions}).
@defvar font-lock-syntactic-face-function
If this variable is non-@code{nil}, it should be a function to determine
which face to use for a given syntactic element (a string or a comment).
The value is normally set through an @var{other-vars} element in
@code{font-lock-defaults}.
The function is called with one argument, the parse state at point
returned by @code{parse-partial-sexp}, and should return a face. The
default value returns @code{font-lock-comment-face} for comments and
@code{font-lock-string-face} for strings (@pxref{Faces for Font Lock}).
@code{font-lock-string-face} for strings (@pxref{Faces for Font
Lock}).
This variable is normally set through the ``other'' elements in
@code{font-lock-defaults}:
@lisp
(setq-local font-lock-defaults
`(,python-font-lock-keywords
nil nil nil nil
(font-lock-syntactic-face-function
. python-font-lock-syntactic-face-function)))
@end lisp
@end defvar
@node Multiline Font Lock