Be carefull about using SanityCheck in the code: constructing strings can be extremely expensive. Removed one check that cost about 50% performance for a 1000 line XQuery.
Be carefull about using SanityCheck in the code: constructing strings can be extremely expensive. Removed one check that cost about 50% performance for a 1000 line XQuery.

svn path=/trunk/eXist-1.0/; revision=2537

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