func newHelperMethodDoctype(ln *line, rslt *result, src *source, parent element, opts *Options) (*helperMethodDoctype, error) {
	if len(ln.tokens) < 3 {
		return nil, fmt.Errorf("doctype is not specified [file: %s][line: %d]", ln.fileName(), ln.no)
	}

	doctype := ln.tokens[2]

	if _, ok := doctypes[doctype]; !ok {
		return nil, fmt.Errorf("doctype is invalid [file: %s][line: %d][doctype: %s]", ln.fileName(), ln.no, doctype)
	}

	e := &helperMethodDoctype{
		elementBase: newElementBase(ln, rslt, src, parent, opts),
		doctype:     doctype,
	}

	return e, nil
}
func newHelperMethodDoctype(ln *line, rslt *result, src *source, parent element, opts *Options) (*helperMethodDoctype, error) {
	if len(ln.tokens) < 3 {
		return nil, fmt.Errorf("doctype is not specified [file: %s][line: %d]", ln.fileName(), ln.no)
	}

	doctype := ln.tokens[2]

	if _, ok := doctypes[doctype]; !ok {
		return nil, fmt.Errorf("doctype is invalid [file: %s][line: %d][doctype: %s]", ln.fileName(), ln.no, doctype)
	}

	e := &helperMethodDoctype{
		elementBase: newElementBase(ln, rslt, src, parent, opts),
		doctype:     doctype,
	}

	return e, nil
}
func newHelperMethodDoctype ( ln * line , rslt * result , src * source , parent element , opts * Options ) ( * helperMethodDoctype , error ) { if len ( ln . tokens ) < 3 { return nil , fmt . Errorf ( " " , ln . fileName ( ) , ln . no ) } doctype := ln . tokens [ 2 ] if _ , ok := doctypes [ doctype ] ; ! ok { return nil , fmt . Errorf ( " " , ln . fileName ( ) , ln . no , doctype ) } e := & helperMethodDoctype { elementBase : newElementBase ( ln , rslt , src , parent , opts ) , doctype : doctype , } return e , nil }
// newHelperMethodDoctype creates and returns a helper method doctype.
newHelperMethodDoctype creates and returns a helper method doctype .