/usr/lib/swipl/library/help.pl
All Application Manual Name SummaryHelp

 show_html_hook(+HTML:string) is semidet[multifile, library(help)]
Hook called to display the extracted HTML document. If this hook fails the HTML is rendered to the console as plain text using html_text/2.
ClioPatria (version V3.1.1-59-g7b9a7a3)