SEARCH_THISSOLVID
di->flags = flags & ~SEARCH_THISSOLVID;
di->flags = (flags & ~SEARCH_THISSOLVID) | (di->flags & SEARCH_THISSOLVID);
di->flags &= ~SEARCH_THISSOLVID;
if (!(di->flags & SEARCH_THISSOLVID))
if (!(di->flags & SEARCH_THISSOLVID))
di->flags &= ~SEARCH_THISSOLVID;
di->flags |= (from->flags & SEARCH_THISSOLVID);
di->flags |= SEARCH_THISSOLVID;
di->flags |= SEARCH_THISSOLVID;
di->flags &= ~SEARCH_THISSOLVID;