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Tab should not blank cells.

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It seems I was under the impression that a tab differs from a single
forward tabulation, namely that it blanks the underlying cells. This
seems not to be the case. They are identical.

This should fix applications like jove(1) that use tabs instead of
explicit cursor position setting.

Reported by:	Brett Glass <brett lariat net>
MFC after:	3 days, after it's tested
This commit is contained in:
Ed Schouten 2011-10-07 12:21:50 +00:00
parent 25e33e625f
commit d8554e5c77
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=226099
1 changed files with 1 additions and 14 deletions
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15
sys/teken/teken_subr.h
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@ -595,20 +595,7 @@ static void
teken_subr_horizontal_tab(teken_t *t)
{
if (t->t_stateflags & TS_CONS25) {
teken_subr_cursor_forward_tabulation(t, 1);
} else {
teken_rect_t tr;
tr.tr_begin = t->t_cursor;
teken_subr_cursor_forward_tabulation(t, 1);
tr.tr_end.tp_row = tr.tr_begin.tp_row + 1;
tr.tr_end.tp_col = t->t_cursor.tp_col;
/* Blank region that we skipped. */
if (tr.tr_end.tp_col > tr.tr_begin.tp_col)
teken_funcs_fill(t, &tr, BLANK, &t->t_curattr);
}
teken_subr_cursor_forward_tabulation(t, 1);
}
static void