root@ubuntu:/usr/local/lib/swipl-7.5.7# find library/ -name "*ht[t|m]*"
library/doc_http.pl
library/semweb/rdf_http_plugin.pl
library/pldoc/doc_html.pl
library/pldoc/doc_htmlsrc.pl
library/http
library/http/thread_httpd.pl
library/http/term_html.pl
library/http/http_sgml_plugin.pl
library/http/http_multipart_plugin.pl
library/http/http_client.pl
library/http/http_ssl_plugin.pl
library/http/http_stream.pl
library/http/http_path.pl
library/http/http_header.pl
library/http/http_json.pl
library/http/http_digest.pl
library/http/http_proxy.pl
library/http/html_write.pl
library/http/http_parameters.pl
library/http/http_log.pl
library/http/http_cookie.pl
library/http/http_cors.pl
library/http/http_server_files.pl
library/http/html_quasiquotations.pl
library/http/http_unix_daemon.pl
library/http/xpce_httpd.pl
library/http/http_dirindex.pl
library/http/http_wrapper.pl
library/http/inetd_httpd.pl
library/http/http_error.pl
library/http/http_host.pl
library/http/html_head.pl
library/http/http_openid.pl
library/http/http_hook.pl
library/http/http_dispatch.pl
library/http/http_files.pl
library/http/http_load.pl
library/http/http_open.pl
library/http/http_authenticate.pl
library/http/http_exception.pl
library/http/http_pwp.pl
library/http/http_session.pl
root@ubuntu:/usr/local/lib/swipl-7.5.7# find xpce/ -name "*ht[t|m]*"
xpce/prolog/lib/http_client.pl
xpce/prolog/lib/emacs/prolog_mode.html
xpce/prolog/lib/emacs/sgml_mode.html
xpce/prolog/lib/emacs/html_mode.pl
xpce/prolog/lib/http
xpce/prolog/lib/http/http_image.pl
xpce/prolog/lib/http/html_write.pl
xpce/prolog/lib/http/httpd.pl
xpce/prolog/lib/http/http_man.pl
xpce/prolog/lib/http/html_refman.pl
xpce/prolog/lib/http/html_hierarchy.pl
xpce/prolog/lib/doc/html.pl
root@ubuntu:/usr/local/lib/swipl-7.5.7#