17.1 Using the message line from your program

The message line facility can be used by an application running in the current window by means of the ANSI Privacy message control sequence. For instance, from within the shell, try something like:

echo "No value for esc^Hello world from window $WINDOWNo value for esc\"

where `No value for esc' is ASCII ESC and `^' is a literal caret or up-arrow.

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