* c module for ElementTree in python25 and python26
* not support python24 yet.
The cElementTree module is a C implementation of the ElementTree API, optimized
for fast parsing and low memory use. On typical documents, cElementTree is 15-20
times faster than the Python version of ElementTree, and uses 2-5 times less
memory. On modern hardware, that means that documents in the 50-100 megabyte
range can be manipulated in memory, and that documents in the 0-1 megabyte range
load in zero time (0.0 seconds). This allows you to drastically simplify many
kinds of XML applications.
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