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3.6 The Prolog Navigator

Another tool is the Prolog Navigator. This tool can be started from PceEmacs using the command Browse/Prolog navigator, from the GUI debugger or using the predicate prolog_navigator/1.

prolog_navigator(+DirOrLocation)
Ensure the navigator exists and the indicated location is shown. DirOrLocation is either the name of a directory or File:Line to open and select the given location.