Paul Mackerras d8d2df08f6 gitk: Make downward-pointing arrows end in vertical line segment
It seems Tk 8.4 can't draw arrows on diagonal line segments.  This
adds code to the optimizer to make the last bit of a line go vertically
before being terminated with an arrow pointing downwards, so that
it will be drawn correctly by Tk 8.4.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-18 20:42:46 +11:00
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