index-prop: Use a single pattern.

        * index-prop: Use a single pattern.  Also support *** cdiffs.

        * index-prop: Don't change /dev/null.

From-SVN: r33523

contrib/ChangeLog

+2000-04-28  Jason Merrill  <jason@casey.cygnus.com>
+
+	* index-prop: Use a single pattern.  Also support *** cdiffs.
+
+2000-04-28  Pavel Roskin <pavel_roskin@geocities.com>
+
+	* index-prop: Don't change /dev/null.
+
 2000-04-27  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 
 	* gcc_update: Refer to GCC and gcc_update instead of egcs and

contrib/index-prop

@@ -14,8 +14,8 @@ while (<>)
       for (1..7)
 	{
 	  $_ = <>;
-	  s/^--- [^\t]+\t/--- $full\t/;
-          s/^\+\+\+ [^\t]+\t/\+\+\+ $full\t/;
+	  s/^([-+*]{3}) [^\t]+\t/$1 $full\t/
+	    unless m{ /dev/null\t};
 	  print;
 	}
     }