MSG_DFL

Purpose:        Get valid messages for group or user or default

Input Syntax:   MSG_DFL {d|g|u}

Input Params:   d|g|u   CHAR(1)  = get default, group or user messages

Output Syntax:  +<messages>

Output Params:  messages CHAR(512) = message names, separated by SPACE

Right required: R_MESSAGES

Implementation: f4adp_message.c / f4adp_msg_dfl()

Remarks:        Valid messages mean messages, that can be defined for
                users, groups or as default. There need not be a message
                file on the server.
