* files.el (file-relative-name): Doc fix.

[bpt/emacs.git] / lisp / files.el

diff --git a/lisp/files.el b/lisp/files.el
index cb873b4..a8b2a20 100644 (file)
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -4469,6 +4469,8 @@ Uses `backup-directory-alist' in the same way as does
   "Convert FILENAME to be relative to DIRECTORY (default: `default-directory').
 This function returns a relative file name which is equivalent to FILENAME
 when used with that default directory as the default.
+If FILENAME is a relative file name, it will be interpreted as existing in
+`default-directory'.
 If FILENAME and DIRECTORY lie on different machines or on different drives
 on a DOS/Windows machine, it returns FILENAME in expanded form."
   (save-match-data