10 lines
		
	
	
		
			254 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			10 lines
		
	
	
		
			254 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
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								<!DOCTYPE ugh [
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								 <!ELEMENT ugh O O (extension+)>
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								 <!ELEMENT extension - O (#PCDATA)>
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								 <!ATTLIST extension exchange NUTOKEN 479 missing (missing) #CONREF>
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								]>
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								<extension missing>
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								<extension>8494
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								<extension exchange=555>1234
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								<extension exchange=03-555>1234
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