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* Michael Kay wrote:
>Why not define a standardized checksum, that can be included in the XML
><?xml version="1.2" checksum="08bd37f1"?>
>(b) at user option, a parser may skip some or all well-formedness checks if
>a checksum is present and correct?
In order to know whether the checksum is correct the parser would need
to read the complete document and calculate the checksum. You might not
want to wait for the complete stream in a network environment or you
might not want to store the whole document in memory in low-memory
environments. As the checksum would likely be defined in terms of the
raw octet stream of the document, it would also break these HTTP-level
encoding transcoders everyone is talking about. Etc. This is micro-
optimization, not really useful. Better look at one of these "optimized"