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Remove outdated advise from manual

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* doc/lispref/modes.texi (Search-based Fontification):
Remove paragraph that has been unnecessary and confusing ever since
regexp-opt stopped using capturing brackets more than 21 years ago.
This commit is contained in:
Mattias Engdegård 2021-06-15 19:48:45 +02:00
parent eac34b52f6
commit ed97d15a08
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doc/lispref/modes.texi
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@ -2985,10 +2985,6 @@ highlighted (instead of the entire text that @var{matcher} matched).
("fu\\(bar\\)" . 1)
@end example
If you use @code{regexp-opt} to produce the regular expression
@var{matcher}, you can use @code{regexp-opt-depth} (@pxref{Regexp
Functions}) to calculate the value for @var{subexp}.
@item (@var{matcher} . @var{facespec})
In this kind of element, @var{facespec} is an expression whose value
specifies the face to use for highlighting. In the simplest case,