Update runtime files.
diff --git a/runtime/doc/pattern.txt b/runtime/doc/pattern.txt
index e77c1c2..38d172c 100644
--- a/runtime/doc/pattern.txt
+++ b/runtime/doc/pattern.txt
@@ -1,4 +1,4 @@
-*pattern.txt* For Vim version 7.4. Last change: 2016 Apr 03
+*pattern.txt* For Vim version 7.4. Last change: 2016 Apr 26
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1079,8 +1079,8 @@
belonging to that character class. The following character classes
are supported:
Name Contents ~
-*[:alnum:]* [:alnum:] letters and digits
-*[:alpha:]* [:alpha:] letters
+*[:alnum:]* [:alnum:] ASCII letters and digits
+*[:alpha:]* [:alpha:] ASCII letters
*[:blank:]* [:blank:] space and tab characters
*[:cntrl:]* [:cntrl:] control characters
*[:digit:]* [:digit:] decimal digits
@@ -1088,7 +1088,7 @@
*[:lower:]* [:lower:] lowercase letters (all letters when
'ignorecase' is used)
*[:print:]* [:print:] printable characters including space
-*[:punct:]* [:punct:] punctuation characters
+*[:punct:]* [:punct:] ASCII punctuation characters
*[:space:]* [:space:] whitespace characters
*[:upper:]* [:upper:] uppercase letters (all letters when
'ignorecase' is used)
@@ -1105,7 +1105,8 @@
These items only work for 8-bit characters, except [:lower:] and
[:upper:] also work for multi-byte characters when using the new
regexp engine. See |two-engines|. In the future these items may
- work for multi-byte characters.
+ work for multi-byte characters. For now, to get all "alpha"
+ characters you can use: [[:lower:][:upper:]].
*/[[=* *[==]*
- An equivalence class. This means that characters are matched that
have almost the same meaning, e.g., when ignoring accents. This