Description of the masks

• MENU mask - MSGMAKER main mask
• MSG-FILE-ATTRIBUTES mask - Enter and modify message file attributes
• COPY mask - Copy message units
• MOVE mask - Copy and delete message units
• SHOW mask - Display message file contents
• SHOW-OUTPUT mask - Output message units and additional information
• ADD-MSG mask - Add message unit
• MODIFY-MSG mask - Modify message unit
• MSG-TEXT mask - Add or modify message text
• MEANING/RESPONSE mask - Add or modify meaning and response text
• INSERT-ATTRIBUTES mask - Add or modify insert attributes
• DELETE-MSG mask - Delete message unit
• ADD-DOCUMENTATION mask - Add documentation lines
• MODIFY-DOCUMENTATION mask - Modify, add and delete documentation lines
• DELETE-DOCUMENTATION mask - Delete documentation lines