* doc/lispref/processes.texi (Shell Arguments): Prefer diff -u.

diff --git a/doc/lispref/processes.texi b/doc/lispref/processes.texi
index f228921137c5bc2a744320f756158535d57e7705..2bc6a1843c488234bbbf85ab9393f7fa344257a2 100644 (file)
--- a/doc/lispref/processes.texi
+++ b/doc/lispref/processes.texi
@@ -196,7 +196,7 @@ Here's an example of using @code{shell-quote-argument} to construct
 a shell command:
 
 @example
-(concat "diff -c "
+(concat "diff -u "
         (shell-quote-argument oldfile)
         " "
         (shell-quote-argument newfile))