WA_UNDERLINE
at |= WA_UNDERLINE;
at |= WA_UNDERLINE;
if (ISATTR(attr, WA_UNDERLINE)
new &= ~WA_UNDERLINE;
if (ISATTR(attr, WA_UNDERLINE) && enter_underline_mode != (char *) 0) {
new |= WA_UNDERLINE;
(long) ISATTR(attr, WA_UNDERLINE),
at |= WA_UNDERLINE;
at |= WA_UNDERLINE;
if (ISATTR(attr, WA_UNDERLINE) &&
new &= ~WA_UNDERLINE;
if (ISATTR(attr, WA_UNDERLINE) &&
new |= WA_UNDERLINE;
p2 = (long) ISATTR(attr, WA_UNDERLINE);