Updated runtime files.
diff --git a/runtime/doc/fold.txt b/runtime/doc/fold.txt
index 240d912..6ae2ff8 100644
--- a/runtime/doc/fold.txt
+++ b/runtime/doc/fold.txt
@@ -1,4 +1,4 @@
-*fold.txt* For Vim version 7.4. Last change: 2010 May 13
+*fold.txt* For Vim version 7.4. Last change: 2013 Dec 04
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -285,9 +285,10 @@
*zd* *E351*
zd Delete one fold at the cursor. When the cursor is on a folded
line, that fold is deleted. Nested folds are moved one level
- up. In Visual mode all folds (partially) in the selected area
- are deleted. Careful: This easily deletes more folds than you
- expect and there is no undo.
+ up. In Visual mode one level of all folds (partially) in the
+ selected area are deleted.
+ Careful: This easily deletes more folds than you expect and
+ there is no undo for manual folding.
This only works when 'foldmethod' is "manual" or "marker".
Also see |fold-delete-marker|.