------------------------------------------------------------------------
r2033 | helixhorned | 2011-09-18 04:55:31 -0700 (Sun, 18 Sep 2011) | 6 lines

- protect stat bit 2 when pasting to ceilings or floors
- when pasting to walls or maskwalls, the following user bits are kept now:
  4 (top/bottom alignment [O])
  1+64 (blocking, hitscan)
  8+256 (x/y-flip)
- print '(one-sided)' when pressing Shift + ([B] or [H]) on a wall
------------------------------------------------------------------------
r2032 | plagman | 2011-09-18 00:18:50 -0700 (Sun, 18 Sep 2011) | 4 lines

Polymer: sanitize backface culling

Keep track of which side is getting culled, swap around mirrors, swap
around model drawing.
------------------------------------------------------------------------