Update help files.
diff --git a/runtime/doc/help.txt b/runtime/doc/help.txt
index 452e622..64de957 100644
--- a/runtime/doc/help.txt
+++ b/runtime/doc/help.txt
@@ -1,4 +1,4 @@
-*help.txt* For Vim version 7.4. Last change: 2015 Apr 15
+*help.txt* For Vim version 7.4. Last change: 2015 Jun 21
VIM - main help file
k
@@ -197,6 +197,7 @@
Standard plugins ~
|pi_getscript.txt| Downloading latest version of Vim scripts
|pi_gzip.txt| Reading and writing compressed files
+|pi_logipat.txt| Logical operators on patterns
|pi_netrw.txt| Reading and writing files over a network
|pi_paren.txt| Highlight matching parens
|pi_tar.txt| Tar file explorer