Updated runtime files.
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 7f296d1..3779de1 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt* For Vim version 7.3. Last change: 2013 May 31
+*syntax.txt* For Vim version 7.3. Last change: 2013 Jun 06
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -3957,7 +3957,7 @@
These extra regular expression items are available in region patterns:
- */\z(* */\z(\)* *E50* *E52*
+ */\z(* */\z(\)* *E50* *E52* *E879*
\z(\) Marks the sub-expression as "external", meaning that it can be
accessed from another pattern match. Currently only usable in
defining a syntax region start pattern.
@@ -5097,6 +5097,9 @@
faster. To see slowness switch on some features that usually interfere, such
as 'relativenumber' and |folding|.
+Note: this is only available when compiled with the |+profile| feature.
+You many need to build Vim with "huge" features.
+
To find out what patterns are consuming most time, get an overview with this
sequence: >
:syntime on