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-rw-r--r--doc/lispref/files.texi4
1 files changed, 1 insertions, 3 deletions
diff --git a/doc/lispref/files.texi b/doc/lispref/files.texi
index f49b02de97c..0a37eeb2a85 100644
--- a/doc/lispref/files.texi
+++ b/doc/lispref/files.texi
@@ -2108,7 +2108,7 @@ Note that the @samp{.~3~} in the two last examples is the backup part,
not an extension.
@end defun
-@defun file-name-base &optional filename
+@defun file-name-base filename
This function is the composition of @code{file-name-sans-extension}
and @code{file-name-nondirectory}. For example,
@@ -2116,8 +2116,6 @@ and @code{file-name-nondirectory}. For example,
(file-name-base "/my/home/foo.c")
@result{} "foo"
@end example
-
-The @var{filename} argument defaults to @code{buffer-file-name}.
@end defun
@node Relative File Names