ref: cab65638b580d0c1cdfcc51cd97a2c4de381754a
parent: eae4059d3de37df28c72a5013491ee1359152798
author: Simon Tatham <anakin@pobox.com>
date: Sun May 6 10:01:39 EDT 2012
GNUstep compatibility: ensure both endpoints are actually drawn by draw_line, by the brute-force method of explicitly plotting them in addition to the GUI's line-drawing operation. [originally from svn r9505]