COMMENT ā VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 6.0 CONTROL - COMMAND LANGUAGES. C00003 ENDMK Cā; 6.0 CONTROL - COMMAND LANGUAGES. 6.1 GEOMOD - Geometric Modeling Routines for LISP and SAIL. 6.2 GEOMED - Geometric Editor. 6.3 CRE - Contour, Region, Edge Image Processing.