bug#1716: [PATCH] let user have better chance of knowing about diff-switches

[jidanni]

--- diff.el.ORIG        2008-12-28 04:49:21.609543396 +0800
+++ diff.el     2008-12-28 04:42:03.733535000 +0800
@@ -82 +82,2 @@
-With prefix arg, prompt for diff switches."
+With prefix arg, prompt for diff switches.
+You can specify options with `diff-switches'."
@@ -169 +170,2 @@
-With prefix arg, prompt for diff switches."
+With prefix arg, prompt for diff switches.
+You can specify options with `diff-switches'."


--- dired-aux.el.ORIG   2008-12-28 04:48:52.689537261 +0800
+++ dired-aux.el        2008-12-28 04:40:20.929532000 +0800
@@ -56 +56 @@
-  "Compare file at point with file FILE using `diff'.
+  "Compare file at point with file FILE using emacs' `diff'.
@@ -61 +61 @@
-which is options for `diff'."
+which is options for emacs' `diff'."