crecord: render chunkpad on Windows (
issue6427)
When using Windows wrappers of PDCurses (e.g., windows-curses), the chunkpad
does not render when executing `hg commit -i`. This is due to attempting to
refresh one too many columns of the pad.
Differential Revision: https://phab.mercurial-scm.org/D9267
ERROR: FIXME: This is a known failure of filelog.size for data starting with \1\n
OK.