Without it, just the data is output. With an identifier given, there will be additional #defines for xxx_COLORS, xxx_WIDTH, xxx_HEIGHT, and the data is places into an array with the given name. git-svn-id: svn://svn.cc65.org/cc65/trunk@5662 b7a2c559-68d2-44c3-8de9-860c34a00d81