#357 Stylesheet parameters converted repeatedly

[alp]

If SAXSource object is supplied to a transformation via
a parameter, the saxon will re-construct the tree from
that Source every time a parameter variable is
referenced. However, when SAXSource value is returned
from a java external function, - saxon constructs a
tree from the supplied Source only once.

[Michael Kay]

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Thanks, I have now fixed this problem.

Please don't report suspected bugs using this tracker - use
the saxon-help list or forum, or the support requests
tracker. I like to keep this area for confirmed bugs only
(which are perhaps 10% of the number of suspected bugs that
get reported).