Patch 8.2.1511
Problem:    Putting a string in Visual block mode ignores multi-byte
            characters.
Solution:   Adjust the column for Visual block mode. (closes #6767)
Files:      src/register.c, src/testdir/test_visual.vim


*** ../vim-8.2.1510/src/register.c      2020-07-10 20:24:04.681880420 +0200
--- src/register.c      2020-08-22 21:08:29.216922366 +0200
***************
*** 1937,1952 ****
            --lnum;
        new_cursor = curwin->w_cursor;
  
!       // simple case: insert into current line
        if (y_type == MCHAR && y_size == 1)
        {
!           linenr_T end_lnum = 0; // init for gcc
  
            if (VIsual_active)
            {
                end_lnum = curbuf->b_visual.vi_end.lnum;
                if (end_lnum < curbuf->b_visual.vi_start.lnum)
                    end_lnum = curbuf->b_visual.vi_start.lnum;
            }
  
            do {
--- 1937,1965 ----
            --lnum;
        new_cursor = curwin->w_cursor;
  
!       // simple case: insert into one line at a time
        if (y_type == MCHAR && y_size == 1)
        {
!           linenr_T    end_lnum = 0; // init for gcc
!           linenr_T    start_lnum = lnum;
  
            if (VIsual_active)
            {
                end_lnum = curbuf->b_visual.vi_end.lnum;
                if (end_lnum < curbuf->b_visual.vi_start.lnum)
                    end_lnum = curbuf->b_visual.vi_start.lnum;
+               if (end_lnum > start_lnum)
+               {
+                   pos_T   pos;
+ 
+                   // "col" is valid for the first line, in following lines
+                   // the virtual column needs to be used.  Matters for
+                   // multi-byte characters.
+                   pos.lnum = lnum;
+                   pos.col = col;
+                   pos.coladd = 0;
+                   getvcol(curwin, &pos, NULL, &vcol, NULL);
+               }
            }
  
            do {
***************
*** 1954,1959 ****
--- 1967,1982 ----
                if (totlen > 0)
                {
                    oldp = ml_get(lnum);
+                   if (lnum > start_lnum)
+                   {
+                       pos_T   pos;
+ 
+                       pos.lnum = lnum;
+                       if (getvpos(&pos, vcol) == OK)
+                           col = pos.col;
+                       else
+                           col = MAXCOL;
+                   }
                    if (VIsual_active && col > (int)STRLEN(oldp))
                    {
                        lnum++;
*** ../vim-8.2.1510/src/testdir/test_visual.vim 2020-06-20 16:05:29.016185239 
+0200
--- src/testdir/test_visual.vim 2020-08-22 20:49:58.352987056 +0200
***************
*** 922,925 ****
--- 922,934 ----
    close!
  endfunc
  
+ func Test_visual_put_in_block()
+   new
+   call setline(1, ['xxxx', 'y∞yy', 'zzzz'])
+   normal 1G2yl
+   exe "normal 1G2l\<C-V>jjlp"
+   call assert_equal(['xxxx', 'y∞xx', 'zzxx'], getline(1, 3))
+   bwipe!
+ endfunc
+ 
  " vim: shiftwidth=2 sts=2 expandtab
*** ../vim-8.2.1510/src/version.c       2020-08-22 19:01:57.612441916 +0200
--- src/version.c       2020-08-22 20:46:23.789811428 +0200
***************
*** 756,757 ****
--- 756,759 ----
  {   /* Add new patch number below this line */
+ /**/
+     1511,
  /**/

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