Update runtime files.
diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index 7e753f7..22eff70 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1,4 +1,4 @@
-*change.txt* For Vim version 7.3. Last change: 2012 Jun 13
+*change.txt* For Vim version 7.3. Last change: 2012 Aug 08
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -666,6 +666,8 @@
[n] Report the number of matches, do not actually substitute. The [c]
flag is ignored. The matches are reported as if 'report' is zero.
Useful to |count-items|.
+ If \= |sub-replace-expression| is used, the expression will be
+ evaluated in the |sandbox| at every match.
[p] Print the line containing the last substitute.