FAIL("Unexpected character `%c' in prolog.", xbt_graph_parse_text[0]);
YY_BREAK
case YY_STATE_EOF(PROLOG):
case YY_STATE_EOF(DOCTYPE):
FAIL("Unexpected character `%c' in prolog.", xbt_graph_parse_text[0]);
YY_BREAK
case YY_STATE_EOF(PROLOG):
case YY_STATE_EOF(DOCTYPE):