With these changes the docs for #'directory-files and its recursive
big brother, #'directory-files-recur are no longer telling fibs. The
MATCH arg will indeed accept and use a predicate function.
Plus, #'directory-files now has SYMLINK_IS_FILE and BLOOM_FILTER args,
same as #'directory-files-recur.
* merges:
Fix some long lines in dired.c
Add match-full option to directory-files{,-recur}
Add to directory-files SYMLINK_IS_FILE and BLOOM_FILTER args
Fix directory-files{,-recur} detection of symlinks to dirs
Use 'subdir as per (directory-files) documentation
Remove #if 0 varargs
Update directory-files{,-recur} argument checking
Remove unused #ifdef USE_MATCH_ARG
Allow pathname_matches_p to be called if match is predicate