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isearch-search-fun-function doc tweak

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* lisp/isearch.el (isearch-search-fun-function): Mention what
the STRING parameter is (bug#21552).

(cherry picked from commit cafc2a5940)
This commit is contained in:
Lars Ingebrigtsen 2016-05-01 00:16:42 +02:00
parent 78ae8056d0
commit 9f27bcf21a
1 changed files with 3 additions and 2 deletions
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5
lisp/isearch.el
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@ -2662,8 +2662,9 @@ the word mode."
"Non-default value overrides the behavior of `isearch-search-fun-default'.
This variable's value should be a function, which will be called
with no arguments, and should return a function that takes three
arguments: STRING, BOUND, and NOERROR. See `re-search-forward'
for the meaning of BOUND and NOERROR arguments.
arguments: STRING, BOUND, and NOERROR. STRING is the string to
be searched for. See `re-search-forward' for the meaning of
BOUND and NOERROR arguments.
This returned function will be used by `isearch-search-string' to
search for the first occurrence of STRING.")