Commit fafd594b authored by Karl Heuer's avatar Karl Heuer
Browse files

(struct position): New member tab_offset to accumulate tab offset.

parent 1c9241f5
......@@ -18,6 +18,23 @@ along with GNU Emacs; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* We introduce new member `tab_offset'. We need it because of the
existence of wide-column characters. There is a case that the
line-break occurs at a wide-column character and the number of
colums of the line gets less than width.
Example (where W_ stands for a wide-column character):
----------
abcdefgh\\
W_
----------
To handle this case, we should not calculate the tab offset by
tab_offset += width;
Instead, we must remember tab_offset of the line.
*/
struct position
{
......@@ -29,6 +46,7 @@ struct position
/* Number of characters we have already handled
from the before and after strings at this position. */
int ovstring_chars_done;
int tab_offset;
};
struct position *compute_motion ();
......
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