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2 <!ELEMENT doc (norm+)>
3 <!ELEMENT norm EMPTY>
4 <!ATTLIST norm attr NMTOKENS #IMPLIED>
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6<doc>
7 <norm attr = ' foo bar
8'/>
9 <norm attr = 'foobar
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11'/>
12 <norm attr = 'foo bar '/>
13 <norm attr = ' foo  bar'/>
14</doc>
15