COMMENT ⊗ VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 r xpart xpage.xgp←?f(?p)↔xsp xpage.xgp/q/del↔ C00003 ENDMK C⊗; r xpart; xpage.xgp←?f(?p)↔xsp xpage.xgp/q/del↔