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>