Runtime file updates.
diff --git a/runtime/doc/diff.txt b/runtime/doc/diff.txt
index 1d62e54..becbeb3 100644
--- a/runtime/doc/diff.txt
+++ b/runtime/doc/diff.txt
@@ -1,4 +1,4 @@
-*diff.txt* For Vim version 7.3. Last change: 2010 Jul 31
+*diff.txt* For Vim version 7.3. Last change: 2010 Sep 30
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -261,10 +261,12 @@
*do*
do Same as ":diffget" without argument or range. The "o" stands
for "obtain" ("dg" can't be used, it could be the start of
- "dgg"!).
+ "dgg"!). Note: this doesn't work in Visual mode.
*dp*
dp Same as ":diffput" without argument or range.
+ Note: this doesn't work in Visual mode.
+
When no [range] is given, the diff at the cursor position or just above it is
affected. When [range] is used, Vim tries to only put or get the specified