Description of the statements

• COPY Copy contents of syntax file
• EDIT Set current position to command in syntax file
• END Terminate program execution
• MODIFY-CMD Modify command definition
• MODIFY-VALUE Modify operand value definition
• OPEN-SYNTAX-FILE Open syntax file
• REMOVE Delete objects from syntax file
• SET-GLOBALS Modify global information
• SHOW Output objects of syntax file
• SHOW-CORRECTION-INFORMATION Output syntax file correction information
• SHOW-STATUS Display status of opened syntax file
• STEP Define checkpoint