#include <text_output.h>void start_message(void);void end_message(void);
Sometimes we wish to bring up a separate window containing simple message
outputs (eg in gap4 this could be information about a reading that was clicked
on). The start_message function clears the current message buffer and
starts copying all subsequent output to the stdout window to this buffer.
The end_message function disables this message copying and display the
current contents of the message buffer in a separate window.
At present, there are no Tcl interface to these routines.