html5ever 0.14.0

High-performance browser-grade HTML5 parser
Documentation 
{"tests": [

{"description":"Correct Doctype lowercase",
"input":"<!DOCTYPE html>",
"output":[["DOCTYPE", "html", null, null, true]]},

{"description":"Correct Doctype uppercase",
"input":"<!DOCTYPE HTML>",
"output":[["DOCTYPE", "html", null, null, true]]},

{"description":"Correct Doctype mixed case",
"input":"<!DOCTYPE HtMl>", 
"output":[["DOCTYPE", "html", null, null, true]]},

{"description":"Correct Doctype case with EOF",
"input":"<!DOCTYPE HtMl", 
"output":["ParseError", ["DOCTYPE", "html", null, null, false]]},

{"description":"Truncated doctype start",
"input":"<!DOC>", 
"output":["ParseError", ["Comment", "DOC"]]},

{"description":"Doctype in error",
"input":"<!DOCTYPE foo>", 
"output":[["DOCTYPE", "foo", null, null, true]]},

{"description":"Single Start Tag",
"input":"<h>",
"output":[["StartTag", "h", {}]]},

{"description":"Empty end tag",
"input":"</>",
"output":["ParseError"]},

{"description":"Empty start tag",
"input":"<>",
"output":["ParseError", ["Character", "<>"]]},

{"description":"Start Tag w/attribute",
"input":"<h a='b'>",
"output":[["StartTag", "h", {"a":"b"}]]},

{"description":"Start Tag w/attribute no quotes",
"input":"<h a=b>",
"output":[["StartTag", "h", {"a":"b"}]]},

{"description":"Start/End Tag",
"input":"<h></h>",
"output":[["StartTag", "h", {}], ["EndTag", "h"]]},

{"description":"Two unclosed start tags",
"input":"<p>One<p>Two",
"output":[["StartTag", "p", {}], ["Character", "One"], ["StartTag", "p", {}], ["Character", "Two"]]},

{"description":"End Tag w/attribute",
"input":"<h></h a='b'>",
"output":[["StartTag", "h", {}], "ParseError", ["EndTag", "h"]]},

{"description":"Multiple atts",
"input":"<h a='b' c='d'>",
"output":[["StartTag", "h", {"a":"b", "c":"d"}]]},

{"description":"Multiple atts no space",
"input":"<h a='b'c='d'>",
"output":["ParseError", ["StartTag", "h", {"a":"b", "c":"d"}]]},

{"description":"Repeated attr",
 "input":"<h a='b' a='d'>",
 "output":["ParseError", ["StartTag", "h", {"a":"b"}]]},

{"description":"Simple comment",
 "input":"<!--comment-->",
 "output":[["Comment", "comment"]]},

{"description":"Comment, Central dash no space",
 "input":"<!----->",
 "output":["ParseError", ["Comment", "-"]]},

{"description":"Comment, two central dashes",
"input":"<!-- --comment -->",
"output":["ParseError", ["Comment", " --comment "]]},

{"description":"Unfinished comment",
"input":"<!--comment",
"output":["ParseError", ["Comment", "comment"]]},

{"description":"Start of a comment",
"input":"<!-",
"output":["ParseError", ["Comment", "-"]]},

{"description":"Short comment",
 "input":"<!-->",
 "output":["ParseError", ["Comment", ""]]},

{"description":"Short comment two",
 "input":"<!--->",
 "output":["ParseError", ["Comment", ""]]},

{"description":"Short comment three",
 "input":"<!---->",
 "output":[["Comment", ""]]},


{"description":"Ampersand EOF",
"input":"&",
"output":[["Character", "&"]]},

{"description":"Ampersand ampersand EOF",
"input":"&&",
"output":[["Character", "&&"]]},

{"description":"Ampersand space EOF",
"input":"& ",
"output":[["Character", "& "]]},

{"description":"Unfinished entity",
"input":"&f",
"output":[["Character", "&f"]]},

{"description":"Ampersand, number sign",
"input":"&#",
"output":["ParseError", ["Character", "&#"]]},

{"description":"Unfinished numeric entity",
"input":"&#x",
"output":["ParseError", ["Character", "&#x"]]},

{"description":"Entity with trailing semicolon (1)",
"input":"I'm &not;it",
"output":[["Character","I'm \u00ACit"]]},

{"description":"Entity with trailing semicolon (2)",
"input":"I'm &notin;",
"output":[["Character","I'm \u2209"]]},

{"description":"Entity without trailing semicolon (1)",
"input":"I'm &notit",
"output":[["Character","I'm "], "ParseError", ["Character", "\u00ACit"]]},

{"description":"Entity without trailing semicolon (2)",
"input":"I'm &notin",
"output":[["Character","I'm "], "ParseError", ["Character", "\u00ACin"]]},

{"description":"Partial entity match at end of file",
"input":"I'm &no",
"output":[["Character","I'm &no"]]},

{"description":"Non-ASCII character reference name",
"input":"&\u00AC;",
"output":[["Character", "&\u00AC;"]]},

{"description":"ASCII decimal entity",
"input":"&#0036;",
"output":[["Character","$"]]},

{"description":"ASCII hexadecimal entity",
"input":"&#x3f;",
"output":[["Character","?"]]},

{"description":"Hexadecimal entity in attribute",
"input":"<h a='&#x3f;'></h>",
"output":[["StartTag", "h", {"a":"?"}], ["EndTag", "h"]]},

{"description":"Entity in attribute without semicolon ending in x",
"input":"<h a='&notx'>",
"output":[["StartTag", "h", {"a":"&notx"}]]},

{"description":"Entity in attribute without semicolon ending in 1",
"input":"<h a='&not1'>",
"output":[["StartTag", "h", {"a":"&not1"}]]},

{"description":"Entity in attribute without semicolon ending in i",
"input":"<h a='&noti'>",
"output":[["StartTag", "h", {"a":"&noti"}]]},

{"description":"Entity in attribute without semicolon",
"input":"<h a='&COPY'>",
"output":["ParseError", ["StartTag", "h", {"a":"\u00A9"}]]},

{"description":"Unquoted attribute ending in ampersand",
"input":"<s o=& t>",
"output":[["StartTag","s",{"o":"&","t":""}]]},

{"description":"Unquoted attribute at end of tag with final character of &, with tag followed by characters",
"input":"<a a=a&>foo",
"output":[["StartTag", "a", {"a":"a&"}], ["Character", "foo"]]},

{"description":"plaintext element",
 "input":"<plaintext>foobar",
 "output":[["StartTag","plaintext",{}], ["Character","foobar"]]},

{"description":"Open angled bracket in unquoted attribute value state",
 "input":"<a a=f<>",
 "output":["ParseError", ["StartTag", "a", {"a":"f<"}]]}

]}