[xml] what should to be 'const'?

[massimo morara <m morara 3di it>]

	A little, little question.

	In the function xmlCopyNode(const xmlNodePtr node, int 
extended) [tree.c], what is supposed be 'const'?

	The pointer 'node' or the struct pointed by 'node'?

	Thanks.

		massimo morara

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"I have yet to see any problem, however complicated, which, when
 looked at in the right way, did not become still more complicated."
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