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; Yet another doc fix for 'ff-other-file-alist' (bug#57325)

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Eli Zaretskii 2022-08-30 15:42:34 +03:00
parent 2d9a391727
commit 0cbcaf5119
1 changed files with 18 additions and 9 deletions
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27
lisp/find-file.el
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@ -193,17 +193,26 @@ The value could be an alist or a symbol whose value is an alist.
Each element of the alist has the form
(REGEXP (EXTENSION...))
or
(REGEXP FUNCTION)
where REGEXP is the regular expression matching a file's extension,
EXTENSIONs is the list of literal file-name extensions to search for,
and FUNCTION is a function of one argument, the current file's name,
that returns the list of extensions to search for.
The list of extensions should contain the most used extensions before the
others, since the search algorithm searches sequentially through each
directory specified in `ff-search-directories'. If a file is not found,
a new one is created with the first matching extension (`.cc' yields `.hh').
and EXTENSIONs is the list of literal file-name extensions to search
for. The list of extensions should contain the most used extensions
before the others, since the search algorithm searches sequentially
through each directory specified in `ff-search-directories'.
Alist elements can also be of the form
(REGEXP FUNCTION)
where FUNCTION is a function of one argument, the current file's name,
that returns the list of possible names of the corresponding files, with
or without leading directories. Note the difference: FUNCTION returns
the list of file names, not their extensions. This is for the case when
REGEXP is not enough to determine the file name of the other file.
If a file is not found, a new one is created with the first
matching extension or name (e.g., `.cc' yields `.hh').
This alist should be set by the major mode.
Note: if an element of the alist names a FUNCTION as its cdr, that