Oh, _that's_ why that `if' had the sense it did. Good grief.

Oh, _that's_ why that `if' had the sense it did. Good grief.
Apparently I used to rely on the fact that the same `erase_char'
used to wipe parts of the screen was also a good value to use for
resetting line attributes. Should now be more robust against future
reorganisations of the ATTR_* bit fields.

[originally from svn r2740]