- ref = '0x'. xdigit+ . '_' %set_ref;\r
- val = digit+ . '_' %set_val;\r
- name = alpha+ . '_' %set_name;\r
- tok = (ref | val | name) %set_ts;\r
+ ref = '0x'. xdigit+ %set_ref;\r
+ val = digit+ %set_val;\r
+ name = alpha+ %set_name;\r
+ tok = (ref | val | name);\r
+ segment = tok . [_\0] %set_ts;\r
+\r
+ main := segment+ ;\r