// FIXME: Convert to const enum export type ParseError = 'unexpected-null-character' | 'unexpected-question-mark-instead-of-tag-name' | 'eof-before-tag-name' | 'invalid-first-character-of-tag-name' | 'missing-end-tag-name' | 'cdata-in-html-content' | 'incorrectly-opened-comment' | 'eof-in-doctype' | 'missing-whitespace-before-doctype-name' | 'eof-in-tag' | 'unexpected-equals-sign-before-attribute-name' | 'unexpected-character-in-attribute-name' | 'missing-attribute-value' | 'unexpected-character-in-unquoted-attribute-value' | 'missing-whitespace-between-attributes' | 'abrupt-closing-of-empty-comment' | 'eof-in-comment' | 'missing-semicolon-after-character-reference' | 'unknown-named-character-reference';