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To: vim_dev@googlegroups.com
Subject: Patch 7.3.553
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
------------

Patch 7.3.553
Problem:    With double-width characters and 'listchars' containing "precedes"
	    the text is displayed one cell off.
Solution:   Check for double-width character being overwritten by the
	    "precedes" character. (Yasuhiro Matsumoto)
Files:	    src/screen.c


*** ../vim-7.3.552/src/screen.c	2012-06-06 19:05:45.000000000 +0200
--- src/screen.c	2012-06-13 17:55:10.000000000 +0200
***************
*** 89,94 ****
--- 89,97 ----
  
  #include "vim.h"
  
+ #define MB_FILLER_CHAR '<'  /* character used when a double-width character
+ 			     * doesn't fit. */
+ 
  /*
   * The attributes that are actually active for writing to the screen.
   */
***************
*** 4016,4022 ****
  		if (n_skip > 0 && mb_l > 1 && n_extra == 0)
  		{
  		    n_extra = 1;
! 		    c_extra = '<';
  		    c = ' ';
  		    if (area_attr == 0 && search_attr == 0)
  		    {
--- 4019,4025 ----
  		if (n_skip > 0 && mb_l > 1 && n_extra == 0)
  		{
  		    n_extra = 1;
! 		    c_extra = MB_FILLER_CHAR;
  		    c = ' ';
  		    if (area_attr == 0 && search_attr == 0)
  		    {
***************
*** 4576,4581 ****
--- 4579,4593 ----
  	    c = lcs_prec;
  	    lcs_prec_todo = NUL;
  #ifdef FEAT_MBYTE
+ 	    if (has_mbyte && (*mb_char2cells)(mb_c) > 1)
+ 	    {
+ 		/* Double-width character being overwritten by the "precedes"
+ 		 * character, need to fill up half the character. */
+ 		c_extra = MB_FILLER_CHAR;
+ 		n_extra = 1;
+ 		n_attr = 2;
+ 		extra_attr = hl_attr(HLF_AT);
+ 	    }
  	    mb_c = c;
  	    if (enc_utf8 && (*mb_char2len)(c) > 1)
  	    {
*** ../vim-7.3.552/src/version.c	2012-06-13 17:28:51.000000000 +0200
--- src/version.c	2012-06-13 17:48:45.000000000 +0200
***************
*** 716,717 ****
--- 716,719 ----
  {   /* Add new patch number below this line */
+ /**/
+     553,
  /**/

-- 
hundred-and-one symptoms of being an internet addict:
32. You don't know what sex three of your closest friends are, because they
    have neutral nicknames and you never bothered to ask.

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///