[xml] Correction for Tutorial Code

["niraj tolia" <ntolia hotmail com>]

So I was looking at the Tutorial Code 
(http://www.xmlsoft.org/tutorial/index.html) and saw that it leaks memory. I 
was wondering if this could be fixed as it is entirely non-clear to first 
time users of libxml as to what the semantics of functions like 
xmlNodeListGetString() are. The sample code (eg 
http://www.xmlsoft.org/tutorial/apb.html) makes it look like the function 
simply returns a pointer to a string.

However you need to go through the API to find out that the function 
actually allocates memory that the caller needs to free. I would appreciate 
it if an xmlFree() was put in there. The same applies for calls such as 
xmlGetProp().

Thanks,
Niraj

http://www.andrew.cmu.edu/~ntolia


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