1<?xml version="1.0"?>
2<!DOCTYPE doc [
3<!ATTLIST normId attr NMTOKENS #IMPLIED>
4]>
5<doc>
6  <!-- no normalization -->
7  <norm attr="   "/>
8  <norm attr="   foo bar   "/>
9  <norm attr="  foobar"/>
10  <norm attr=" foo bar "/>
11  <norm attr="foobar  "/>
12  <norm attr=" &amp; "/>
13  <norm attr="   foo&amp;bar   "/>
14  <norm attr="  foobar&amp;"/>
15  <norm attr="&amp;foo bar "/>
16  <norm attr="foobar  &amp;"/>
17  <norm attr=" &lt; "/>
18  <norm attr="   foo&lt;bar   "/>
19  <norm attr="  foobar&lt;"/>
20  <norm attr="&lt;foo bar "/>
21  <norm attr="foobar  &lt;"/>
22  <norm attr="  &#13;&#10;&#9; "/>
23  <!-- normalization -->
24  <normId attr=""/>
25  <normId attr="foo bar"/>
26  <normId attr="foobar"/>
27  <normId attr="foo bar"/>
28  <normId attr="foobar"/>
29  <normId attr="&amp;"/>
30  <normId attr="foo&amp;bar"/>
31  <normId attr="foobar&amp;"/>
32  <normId attr="&amp;foo bar"/>
33  <normId attr="foobar &amp;"/>
34  <normId attr="&lt;"/>
35  <normId attr="foo&lt;bar"/>
36  <normId attr="foobar&lt;"/>
37  <normId attr="&lt;foo bar"/>
38  <normId attr="foobar &lt;"/>
39  <normId attr="&#13;&#10;&#9;"/> <!-- PBM serializing back -->
40</doc>
41