1<!DOCTYPE doc [<!ATTLIST normId attr NMTOKENS #IMPLIED>]>
2<doc>
3  <!-- no normalization -->
4  <norm attr='   '/>
5  <norm attr='
6  foo bar   '/>
7  <norm attr='
8
9foobar'/>
10  <norm attr=' foo bar
11'/>
12  <norm attr='foobar
13
14'/>
15  <norm attr=' &amp; '/>
16  <norm attr='
17  foo&amp;bar   '/>
18  <norm attr='
19
20foobar&amp;'/>
21  <norm attr='&amp;foo bar
22'/>
23  <norm attr='foobar
24
25&amp;'/>
26  <norm attr=' &lt; '/>
27  <norm attr='
28  foo&lt;bar   '/>
29  <norm attr='
30
31foobar&lt;'/>
32  <norm attr='&lt;foo bar
33'/>
34  <norm attr='foobar
35
36&lt;'/>
37  <norm attr=' &#x20;&#13;&#xa;&#9; '/>
38  <!-- normalization -->
39  <normId attr='   '/>
40  <normId attr='
41  foo bar   '/>
42  <normId attr='
43
44foobar'/>
45  <normId attr=' foo bar
46'/>
47  <normId attr='foobar
48
49'/>
50  <normId attr=' &amp; '/>
51  <normId attr='
52  foo&amp;bar   '/>
53  <normId attr='
54
55foobar&amp;'/>
56  <normId attr='&amp;foo bar
57'/>
58  <normId attr='foobar
59
60&amp;'/>
61  <normId attr=' &lt; '/>
62  <normId attr='
63  foo&lt;bar   '/>
64  <normId attr='
65
66foobar&lt;'/>
67  <normId attr='&lt;foo bar
68'/>
69  <normId attr='foobar
70
71&lt;'/>
72  <normId attr=' &#13;&#xa;&#9; '/> <!-- PBM serializing back -->
73</doc>
74