del_cmd           901 src/diffviewer/ydiff.c     int add_cmd, del_cmd;
del_cmd           914 src/diffviewer/ydiff.c         del_cmd = 'a';
del_cmd           919 src/diffviewer/ydiff.c         del_cmd = 'd';
del_cmd           945 src/diffviewer/ydiff.c         if (op->cmd == del_cmd)