/usr/lib/swipl/library/ext/pldoc/pldoc/doc_register.pl
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 prolog:comment_hook(+Comments, +TermPos, +Term) is det[multifile, pldoc(doc_register)]
Hook called by the compiler and cross-referencer. In addition to the comment, it passes the term itself to see what term is commented as well as the start-position of the term to distinguish between comments before the term and inside it.
Arguments:
Comments- List of comments read before the end of Term
TermPos- Start location of Term
Term- Actual term read
ClioPatria (version V3.1.1-51-ga0b30a5)