Including the 'Symbolic Character Strings' functionality

Including the 'Symbolic Character Strings' functionality 1:

The availability of this function depends on the configuration and the concrete scope of version.

To enable message management across programs, messages may also be defined as a Symbolic Character String. This is particularly expedient for messages that are used repeatedly or by several programs.

Example:
Definition of a Symbolic Character String in the channel parameters list [1]: 

makro_def[1].symbol Message_1
makro_def[1].nc_code #MSG ["Message text "]

This permits the following message to be output in the NC-program:

"Message_1" (The "Message text" string is transmitted to the)
(default receiver of messages)