Update runtime files
diff --git a/runtime/doc/pattern.txt b/runtime/doc/pattern.txt
index a4ddd8d..90c33ad 100644
--- a/runtime/doc/pattern.txt
+++ b/runtime/doc/pattern.txt
@@ -1,4 +1,4 @@
-*pattern.txt* For Vim version 8.1. Last change: 2018 Dec 26
+*pattern.txt* For Vim version 8.1. Last change: 2019 Feb 21
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1211,7 +1211,7 @@
\%u20AC Matches the character specified with up to four hexadecimal
characters.
\%U1234abcd Matches the character specified with up to eight hexadecimal
- characters.
+ characters, up to 0x7fffffff
==============================================================================
7. Ignoring case in a pattern */ignorecase*