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-rw-r--r--doc/lispref/files.texi5
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/lispref/files.texi b/doc/lispref/files.texi
index db2ecc08f95..4d2761ed419 100644
--- a/doc/lispref/files.texi
+++ b/doc/lispref/files.texi
@@ -1481,7 +1481,10 @@ in @code{exec-path}, and tries all the file-name extensions in
@cindex setting modes of files
The functions in this section rename, copy, delete, link, and set
-the modes (permissions) of files.
+the modes (permissions) of files. They all signal a @code{file-error}
+error if they fail to perform their function, reporting the
+system-dependent error message that describes the reason for the
+failure.
In the functions that have an argument @var{newname}, if a file by the
name of @var{newname} already exists, the actions taken depend on the