On 18/07/2012 14:04, David Carlisle wrote:


for is just an expression

true

 so you could for example use

false sorry, you can't use concat here, the verions below using string-join are OK though.
concat($hdr,for $i in ......)

of course in this simple example you don't need the variable at all as
$hdr is already just a call to concat you could return the single
expression

concat('Id', codepoints-to-string(9), 'Name',
  codepoints-to-string(10),
for $i in$doc/item return
concat($i/id, codepoints-to-string(9), $i/name, codepoints-to-string(10)
)

or more simply

string-join(
('Id	Name',$doc/item/concat(id,'	',name)),'
')

the let and for clauses aren't really needed,

David






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