To: vim_dev@googlegroups.com
Subject: Patch 7.4.2019
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.4.2019
Problem:    When ignoring case utf_fold() may consume a lot of time.
Solution:   Optimize for ASCII.
Files:      src/mbyte.c


*** ../vim-7.4.2018/src/mbyte.c	2016-06-26 17:53:02.814756926 +0200
--- src/mbyte.c	2016-07-10 17:28:29.992454245 +0200
***************
*** 3067,3072 ****
--- 3067,3075 ----
      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));
  }
  
*** ../vim-7.4.2018/src/version.c	2016-07-10 18:21:45.728884145 +0200
--- src/version.c	2016-07-10 18:22:50.675918919 +0200
***************
*** 760,761 ****
--- 760,763 ----
  {   /* Add new patch number below this line */
+ /**/
+     2019,
  /**/

-- 
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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