Expand ennum-copy docstring.

* ennum.el (ennum-copy): Expand docstring.

1 files changed, 9 insertions, 2 deletions

diff --git a/ennum.el b/ennum.el
index 5f19ed4..a94c246 100644
--- a/ennum.el
+++ b/ennum.el
@@ -586,8 +586,15 @@ result as a string."
   (make-directory directory t))
 
 (defun ennum-copy (source destination &optional quiet)
-  "Copy file or directory from SOURCE to DESTINATION. Overwrite
-if DESTINATION already exists."
+  "Copy file or directory from SOURCE to DESTINATION.
+
+Overwrite if DESTINATION already exists. Create any parent
+directories required.
+
+If SOURCE is a file and DESTINATION is a directory, copy SOURCE
+to a like-named file under DESTINATION. For DESTINATION to be
+recognized as a directory, it should end in a slash. See
+`file-name-as-directory'."
   (unless quiet
     (message "Copying %s to %s" source destination))
   (if (file-directory-p source)