Patch 7.3.830
Problem:    :mksession confuses bytes, columns and characters when positioning
            the cursor.
Solution:   Use w_virtcol with "|" instead of w_cursor.col with "l".
Files:      src/ex_docmd.c


*** ../vim-7.3.829/src/ex_docmd.c       2013-02-14 22:11:31.000000000 +0100
--- src/ex_docmd.c      2013-02-20 19:13:21.000000000 +0100
***************
*** 10829,10852 ****
            {
                if (fprintf(fd,
                          "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
!                           (long)wp->w_cursor.col,
!                           (long)(wp->w_cursor.col - wp->w_leftcol),
                            (long)wp->w_width / 2, (long)wp->w_width) < 0
                        || put_eol(fd) == FAIL
                        || put_line(fd, "if s:c > 0") == FAIL
                        || fprintf(fd,
!                           "  exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 
'l'",
!                           (long)wp->w_cursor.col) < 0
                        || put_eol(fd) == FAIL
                        || put_line(fd, "else") == FAIL
!                       || fprintf(fd, "  normal! 0%dl", wp->w_cursor.col) < 0
                        || put_eol(fd) == FAIL
                        || put_line(fd, "endif") == FAIL)
                    return FAIL;
            }
            else
            {
!               if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
                        || put_eol(fd) == FAIL)
                    return FAIL;
            }
--- 10829,10852 ----
            {
                if (fprintf(fd,
                          "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
!                           (long)wp->w_virtcol + 1,
!                           (long)(wp->w_virtcol - wp->w_leftcol),
                            (long)wp->w_width / 2, (long)wp->w_width) < 0
                        || put_eol(fd) == FAIL
                        || put_line(fd, "if s:c > 0") == FAIL
                        || fprintf(fd,
!                           "  exe 'normal! ' . s:c . '|zs' . %ld . '|'",
!                           (long)wp->w_virtcol + 1) < 0
                        || put_eol(fd) == FAIL
                        || put_line(fd, "else") == FAIL
!                       || fprintf(fd, "  normal! %d|", wp->w_virtcol + 1) < 0
                        || put_eol(fd) == FAIL
                        || put_line(fd, "endif") == FAIL)
                    return FAIL;
            }
            else
            {
!               if (fprintf(fd, "normal! 0%d|", wp->w_virtcol + 1) < 0
                        || put_eol(fd) == FAIL)
                    return FAIL;
            }
*** ../vim-7.3.829/src/version.c        2013-02-20 18:39:07.000000000 +0100
--- src/version.c       2013-02-20 19:14:18.000000000 +0100
***************
*** 730,731 ****
--- 730,733 ----
  {   /* Add new patch number below this line */
+ /**/
+     830,
  /**/

-- 
Westheimer's Discovery:
        A couple of months in the laboratory can
        frequently save a couple of hours in the library.

 /// Bram Moolenaar -- [email protected] -- 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    ///

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