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	tAdd HTS sequence - st - [fork] customized build of st, the simple terminal
	git clone git://src.adamsgaard.dk/st
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	---
	commit 93901ca4fee8a1ab71cb8b918f3d65404460f9ce
	parent ee7fd748ac7bfabda2ac37251d230b45adb3e138
	Author: Roberto E. Vargas Caballero <[email protected]>
	Date: Wed, 29 Aug 2012 19:59:43 +0200

	Add HTS sequence

	This sequence adds a new tab stop in the current horizontal position. This
	means that tputtab must be look for the next tab stop in the tabs array
	instead of using a hard coded value offset. Also, CHT sequence XXX message
	is removed because it is not a vt10x sequence (as far as I know it is a
	vt50x sequence), and it is not implemented by linux virtual terminal neither
	by xterm.

	Signed-off-by: Roberto E. Vargas Caballero <[email protected]>
	---
	st.c \| 12 +++++++++---
	1 file changed, 9 insertions(+), 3 deletions(-)
	Diffstat:
	M st.c \| 12 +++++++++---

	1 file changed, 9 insertions(+), 3 deletions(-)
	---
	diff --git a/st.c b/st.c
	t@@ -1214,7 +1214,6 @@ csihandle(void) {
	DEFAULT(escseq.arg[1], 1);
	tmoveto(escseq.arg[1]-1, escseq.arg[0]-1);
	break;
	- /* XXX: (CSI n I) CHT -- Cursor Forward Tabulation <n> tab stops */
	case 'J': /* ED -- Clear screen */
	sel.bx = -1;
	switch(escseq.arg[0]) {
	t@@ -1429,8 +1428,11 @@ csireset(void) {

	void
	tputtab(void) {
	- int space = TAB - term.c.x % TAB;
	- tmoveto(term.c.x + space, term.c.y);
	+ unsigned x;
	+
	+ for (x = term.c.x + 1; x < term.col && !term.tabs[x]; ++x)
	+ /* nothing */ ;
	+ tmoveto(x, term.c.y);
	}

	void
	t@@ -1491,6 +1493,10 @@ tputc(char *c) {
	tnewline(1); /* always go to first col */
	term.esc = 0;
	break;
	+ case 'H': /* HTS -- Horizontal tab stop */
	+ term.tabs[term.c.x] = 1;
	+ term.esc = 0;
	+ break;
	case 'M': /* RI -- Reverse index */
	if(term.c.y == term.top)
	tscrolldown(term.top, 1);