Updated runtime files.
diff --git a/runtime/doc/spell.txt b/runtime/doc/spell.txt
index 9d583c3..5c76eb5 100644
--- a/runtime/doc/spell.txt
+++ b/runtime/doc/spell.txt
@@ -1,4 +1,4 @@
-*spell.txt* For Vim version 7.3. Last change: 2011 Feb 01
+*spell.txt* For Vim version 7.3. Last change: 2011 May 25
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1244,6 +1244,7 @@
Optionally this may be followed by:
* the group appears zero or more times, e.g., sm*e
+ the group appears one or more times, e.g., c+
+ ? the group appears zero times or once, e.g., x?
This is similar to the regexp pattern syntax (but not the same!). A few
examples with the sequence of word flags they require:
@@ -1251,6 +1252,7 @@
COMPOUNDRULE yz yz
COMPOUNDRULE x+z xz xxz xxxz etc.
COMPOUNDRULE yx+ yx yxx yxxx etc.
+ COMPOUNDRULE xy?z xz xyz
COMPOUNDRULE [abc]z az bz cz
COMPOUNDRULE [abc]+z az aaz abaz bz baz bcbz cz caz cbaz etc.