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 9 foobar'/> 10 <norm attr=' foo bar 11 '/> 12 <norm attr='foobar 13 14 '/> 15 <norm attr=' & '/> 16 <norm attr=' 17 foo&bar '/> 18 <norm attr=' 19 20 foobar&'/> 21 <norm attr='&foo bar 22 '/> 23 <norm attr='foobar 24 25 &'/> 26 <norm attr=' < '/> 27 <norm attr=' 28 foo<bar '/> 29 <norm attr=' 30 31 foobar<'/> 32 <norm attr='<foo bar 33 '/> 34 <norm attr='foobar 35 36 <'/> 37 <norm attr='   
	 '/> 38 <!-- normalization --> 39 <normId attr=' '/> 40 <normId attr=' 41 foo bar '/> 42 <normId attr=' 43 44 foobar'/> 45 <normId attr=' foo bar 46 '/> 47 <normId attr='foobar 48 49 '/> 50 <normId attr=' & '/> 51 <normId attr=' 52 foo&bar '/> 53 <normId attr=' 54 55 foobar&'/> 56 <normId attr='&foo bar 57 '/> 58 <normId attr='foobar 59 60 &'/> 61 <normId attr=' < '/> 62 <normId attr=' 63 foo<bar '/> 64 <normId attr=' 65 66 foobar<'/> 67 <normId attr='<foo bar 68 '/> 69 <normId attr='foobar 70 71 <'/> 72 <normId attr=' 
	 '/> <!-- PBM serializing back --> 73 </doc> 74
