>> and what does the input look like? 
>> <input>
>> 	O	
>> 	what 
>> 	fun 
>> 	to 
>> 	be
>> 	in 
>> 	sunny	
>> 	London
>> 	...
>> </input>
>> 
>> or, 
>> <input>
>> 	<line>...</line>
>> 	...
>> </input>

> it's the second case.

Then preceding-sibling::line[1] will give you the previous line. 

Tom

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