diff -urN v3/ezhtml.py v4/ezhtml.py
--- v3/ezhtml.py	2018-09-17 20:15:22.000000000 +0900
+++ v4/ezhtml.py	2018-09-17 23:46:44.000000000 +0900
@@ -28,9 +28,107 @@
 		return s
 	return cv_amp(o)
 
+def get_tag(s):
+	(p, tag) = ('', [])
+
+	while '<' in s:
+		i = s.index('<')
+		(t, s) = ( s[:i], s[i+1:] )
+		p += t
+		tag.append('<')
+		n = s[:1]
+		if n == '/':
+			tag.append('/')
+			s = s[1:]
+			n = s[:1]
+		if n.isalpha():
+			if '>' not in s:
+				err( "not found '>'", 'tag={}'.format(tag) )
+			i = s.index('>')
+			tag = tag[1:] + s[:i].split(' ')
+			s = s[i+1:]
+			break
+		p += ''.join(tag)
+		tag = []
+
+	if not tag:
+		(p, s) = (p+s, '')
+
+	return (p, tag, s)
+
+def start_idx(stk, s):
+	for i in reversed( range( len(stk) ) ):
+		e = stk[i]
+		if type(e) == list and e[0] == s:
+			return i
+	return -1
+
+def solo_tag(e):
+	if type(e) == list:
+		(h, e) = ( '/', e[1:] ) if e[0] == '/' else ('', e)
+		return { h + ' '.join(e): '/' }
+	return e
+
+def solo_tags(lst):
+	return list( map( solo_tag, lst ) )
+
+def untabify(s, n=8):
+	def f(s):
+		r = ''
+		for c in s:
+			if c == '\t':
+				c = ' ' * ( n - len(r) % n )
+			r += c
+		return r
+
+	lst = s.split('\n')
+	lst = map(f, lst)
+	return '\n'.join(lst)
+
+def strip_lst(lst, pre=False):
+	def f(e):
+		if type(e) == dict:
+			return e
+		if pre:	
+			while ' \n' in e:
+				e = e.replace(' \n', '\n')
+			return untabify(e)
+		return e.replace('\n', ' ').strip()
+
+	return list( filter( lambda e: e != '', map(f, lst) ) )
+
+def close_tag(lst):
+	tag = lst[0]
+	lst = solo_tags( lst[1:] )
+	lst = strip_lst( lst, tag[0].lower() == 'pre' )
+	v = lst
+	if len(lst) == 1:
+		v = lst[0]
+	elif not lst:
+		v = ''
+	return { ' '.join(tag): v }
+
 def html_load(s):
-	# ...
-	return { 'html': { 'body': { 'p': 'to be continued' } } }
+	stk = []
+	while True:
+		(p, tag, s) = get_tag(s)
+		if not tag:
+			break
+		if p:
+			stk.append( cv_amp(p, 'dec') )
+		if tag[0] != '/':
+			stk.append(tag)
+			continue
+		i = start_idx( stk, tag[1] )
+		if i >= 0:
+			stk = stk[:i] + [ close_tag( stk[i:] ) ]
+		else:
+			stk.append( solo_tag(tag) )
+
+	o = strip_lst( solo_tags(stk) )
+	while type(o) == list and len(o) == 1:
+		o = o[0]
+	return o
 
 if __name__ == "__main__":
 	b = nkf.get_stdin()