fix for 209:  	 When doing a sketch, pressing "A" for an arc starts to "blink" an, a line and empty
fix for 209:  	 When doing a sketch, pressing "A" for an arc starts to "blink" an, a line and empty
haiqiangwang/heekscad,Funcan/heekscad,satovey/heekscad,satovey/heekscad,haiqiangwang/heekscad,satovey/heekscad,haiqiangwang/heekscad,satovey/heekscad,Funcan/heekscad,Funcan/heekscad,Funcan/heekscad,haiqiangwang/heekscad