COMMENT ⊗ VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 αXDEFINE SRCCOM↔ C00003 ENDMK C⊗; αXDEFINE SRCCOM⊗↔ αCαCαEαUαUαS[αK⊗↔DIF/S/C/D/F/O←α⊗=αDαS[αK⊗↔,α⊗=αD⊗↔αβ⊗↓