RECT_BORDER_MASK  837 core/gui_draw.c     thickness = flags & RECT_BORDER_MASK;
RECT_BORDER_MASK 1310 modules/luascript.c   int   th=luaL_optnumber(L,6,1) & RECT_BORDER_MASK;
RECT_BORDER_MASK 1322 modules/luascript.c   int   th =luaL_optnumber(L,7,1) & RECT_BORDER_MASK;