class
	HTML_PAGE

General
	cluster: web.html
	description: "Class which contains the information relative to an html page."
	create: make_from_template, make

Ancestors
	ANY

Queries
	out: STRING

Commands
	add_html_code (s: STRING)
	insert_hidden_field (name, value: STRING)
	make
	make_from_template (fi_n: STRING)
	replace_marker (a_marker, s: STRING)

Constraints
	page exists