# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1468168206 -7200
# Node ID 045543df0c28d988933bb38ef4e3e390e447ea7d
# Parent  9c072d3b98e8dff432b4ccfc3b99d5d3a9ff49bf
commit https://github.com/vim/vim/commit/c4a927ca8dc383190d5df2cacd3f966698b6190c
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sun Jul 10 18:24:27 2016 +0200

    patch 7.4.2019
    Problem:    When ignoring case utf_fold() may consume a lot of time.
    Solution:   Optimize for ASCII.

diff --git a/src/mbyte.c b/src/mbyte.c
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -3067,6 +3067,9 @@ utf_convert(
     int
 utf_fold(int a)
 {
+    if (a < 0x80)
+	/* be fast for ASCII */
+	return a >= 0x41 && a <= 0x5a ? a + 32 : a;
     return utf_convert(a, foldCase, (int)sizeof(foldCase));
 }
 
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2019,
+/**/
     2018,
 /**/
     2017,