:- use_module(library(prolog_colour)).(can be autoloaded)
- prolog_colourise_term(+Stream, +SourceID, :ColourItem, +Options)
- Colourise the next term on Stream. Unlike
prolog_colourise_stream/3, this predicate assumes it is reading
a single term rather than the entire stream. This implies that
it cannot adjust syntax according to directives that preceed it.
- Return complete term-layout. If an error is read, this is a
error_position(StartClause, EndClause, ErrorPos)