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	Added support for the TABS environment variable. This variable can be used to s…
	git clone git://vernunftzentrum.de/sam.git
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	---
	commit 4c7dcf44a81be2d8469cac905563052c90c82375
	parent 552fde3f668763fa3256e05261aa88b0bd966388
	Author: Rob King <[email protected]>
	Date: Tue, 4 Aug 2015 18:55:55 -0500

	Added support for the TABS environment variable.
	This variable can be used to set the width of a
	tab character.

	Diffstat:
	doc/sam.1 \| 4 ++++
	doc/sam.1.pdf \| 0
	libframe/frinit.c \| 7 ++++++-

	3 files changed, 10 insertions(+), 1 deletion(-)
	---
	diff --git a/doc/sam.1 b/doc/sam.1
	@@ -992,6 +992,10 @@ e.g.
	Any additional arguments should be passed to the command on the remote machine.
	By default, this is the string
	.Dq "ssh" "."
	+.It Ev TABS
	+A number between 1 and 12, indicating the width of a tab character.
	+This number is treated as a multiplier of the width of the '0' character.
	+The default is 8.
	.El
	.Sh FILES
	.Bl -tag -width Ds
	diff --git a/doc/sam.1.pdf b/doc/sam.1.pdf
	Binary files differ.
	diff --git a/libframe/frinit.c b/libframe/frinit.c
	@@ -7,11 +7,16 @@
	void
	frinit(Frame f, Rectangle r, XftFont ft, Bitmap *b)
	{
	+ int tabwidth = 8;
	+ int tabs = atoi(getenv("TABS") ? getenv("TABS") : "");
	+ if (tabs > 0 && tabs < 12)
	+ tabwidth = tabs;
	+
	f->font = ft;
	/* ft->height is NOT CORRECT; we must use ascent + descent to
	clear the lowest edge of characters. - cks */
	f->fheight = ft->ascent + ft->descent;
	- f->maxtab = 8*charwidth(ft, '0');
	+ f->maxtab = tabwidth*charwidth(ft, '0');
	f->nbox = 0;
	f->nalloc = 0;
	f->nchars = 0;