>There's a new Xerce 2.6 release, but I still plan to include 2.5 in 
>tomorrow's tag (which works). 2.6 *apparently* works (without any 
>noticeable improvements either), but I fear possible schema related 
>regressions. So not upgrading for this tag is intentional, and I'll 
>update build.properties right after the tag :)
>

It works indeed.
I performed a microbenchmark measuring tomcat startup times without validation,
with xerces 2.5 and xerces 2.6.

        run1    run2    run3    avg     norm1   norm2   norm3
off     17715   17606   17445   17588   1       0,80    0,88
2.5     21771   21841   21845   21819   1,24    1       1,09
2.6     19988   19769   19858   19871   1,12    0,91    1

I have made three runs (columns run1, run2 and run3)
Since startup times measured in ms are of no special interest (they depend on
particular hw/sw platform), columns (norm1, norm2 and norm3) show data normalized
to avg of off, 2.5 and 2.6 respectively. 
Row names are self explanatory.

I think that if there are no regressions in xerces 2.6 it is worth switching to
(provided you *do* validate xmls).

Let the discussion begin.

cheers,
/dd


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