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|Invoking the window-based debugger
Whether the text-based or window-based debugger is used is controlled
using the predicates guitracer/0
Entering debug mode is controlled using the normal predicates for this: trace/0
In addition, PceEmacs prolog mode provides the command
Prolog/Break at (
Control-c b) to insert a
break-point at a specific location in the source code.
The graphical tracer is particularly useful for debugging threads.
The tracer must be loaded from the
main thread before it
can be used from a background thread.