2.7.1 library(help): Text based manual
All Application Manual Name SummaryHelp

Availability::- use_module(library(help)).(can be autoloaded)
Source[semidet]help_text(+Predicate:term, -HelpText:string)
When Predicate is a term of the form Name/Arity for which documentation exists, HelpText is the documentation in textual format (parsed from the HTML help).