diff -urN v11/ezhtml.py v12/ezhtml.py
--- v11/ezhtml.py	2018-09-20 21:28:26.000000000 +0900
+++ v12/ezhtml.py	2018-09-20 21:28:51.000000000 +0900
@@ -16,6 +16,8 @@
 	return s
 
 def dump_tag(tag, v, pre):
+	if tag == '!--':
+		return '<!--' + v + '-->'
 	lst = bak = tag.split(' ')
 	if lst[-1] == '/':
 		lst = lst[:-1]
@@ -49,6 +51,13 @@
 		i = s.index('<')
 		(t, s) = ( s[:i], s[i+1:] )
 		p += t
+		if s[:3] == '!--' and '-->' in s[3:]:
+			tag.append('!--')
+			s = s[3:]
+			i = s.index('-->')
+			tag.append( s[:i] )
+			s = s[i+3:]
+			break
 		tag.append('<')
 		n = s[:1]
 		if n == '/':
@@ -79,6 +88,8 @@
 
 def solo_tag(e):
 	if type(e) == list:
+		if e[0] == '!--':
+			return { '!--': e[1] }
 		(h, e) = ( '/', e[1:] ) if e[0] == '/' else ('', e)
 		return { h + ' '.join(e): '/' }
 	return e