Preannounce: SXPath with XLink support

Hello!

I am pleased to preannounce the new version of SXPath which contains several
improvements and support for navigating XLink links.

Its primary features are:
 - Fast ascending axes (parent::, ancestor::, etc.) due to the idea of
context implemented.
 - Seamless integration with SXPath "native" syntax, including user-defined
lambdas as path steps.
 - XPath is extended with features for natural navigation over multiple
(S)XML documents through XLink links.
 - SXLink arcs are represented in SXML, and thus can be queried by
conventional location steps.
 - A single function call (to xlink:documents) performes all the routine
work for loading documents, creating SXLink arcs from XLink links and
associating each SXLink arc with the corresponding SXML nodes in the
document.

Please visit my homepage at
http://modis.ispras.ru/Lizorkin/

New SXPath packages for Bigloo, PLT, Chicken and Gambit are available for
download.

Your feedback is very welcome!

Dmitry





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