/* Given line styles A and B (each one of the TAL_* enumeration constants
above), returns a line style that "combines" them, that is, that gives a
reasonable line style choice for a rule for different reasons should have
/* Given line styles A and B (each one of the TAL_* enumeration constants
above), returns a line style that "combines" them, that is, that gives a
reasonable line style choice for a rule for different reasons should have