This was introduced by the patch from bug 391035 (13_screensize.dpatch). That patch is wrong, not only because ScreenWidth should have been ScreenWidth + 1, but also because ScreenWidth is a reference to an integer that may be updated at any time by the SIGWINCH signal handler.
This was introduced by the patch from bug 391035 (13_screensize. dpatch) . That patch is wrong, not only because ScreenWidth should have been ScreenWidth + 1, but also because ScreenWidth is a reference to an integer that may be updated at any time by the SIGWINCH signal handler.