darcs-hash:91b3998d36dae34b4ad9a6a0b8f122568ecf6b4f

darcs-hash:2b6a99497964e338216de09af22a820f5c40e6b8

darcs-hash:40c6eff5b84fecc5f8377f05c7dbbd6aa2a9db1d

darcs-hash:d40b75c09b911dc74c448e12734de19df206bb38

darcs-hash:b323c75b68956e5b82e23d755b6f70a793472dde

- Reimplemented all xpath-protocol functions using a trampoline, e.g. so that
    (parent-pipe node)
  calls
    (parent-pipe-using-navigator *navigator* node)

- All existing methods specialize on a default value for *navigator*.
  Added a convenience macro DEFINE-DEFAULT-METHOD for that purpose.

- Only users of exotic data models need to bind *navigator* to an object
  of their choice.

  In particular, cxml/xml/xmls-compat.lisp provides a function
  cxml-xmls:make-xpath-navigator, which is implemented by
  plexippus-xpath/xmls-compat.lisp

darcs-hash:20beb59300aba5a702a845952ab5efd5c982ccb2

darcs-hash:e7f4e02de3903046839aca68af5ae165e40214e9

darcs-hash:bfacee78d09841b9f911b77239e7c926329b0856

Switched to dynamic bindings.
Fixed "names" of character-data nodes.

darcs-hash:24a16eac985183f1bfd66894f0c3c94a001e5f57

darcs-hash:9dd87a2a69312e0beb21c574842c778200709655

Moved XPath parser to parser.lisp.

Moved some of toplevel API to api.lisp.

Added MAP-NODE-SET and DO-NODE-SET.

Added proper unary minus handling.

Added test cases for string representation of XPath in TEST-XPATH
(previously TEST-XPATH/UNABBREVIATED).

Made it possible to pass strings to compile-xpath.
STRING-VALUE, NUMBER-VALUE, BOOLEAN-VALUE and NODE-SET-VALUE now can handle single nodes.
Added XPATH-PROTOCOL:NODE-P.

Compiler macro for EVALUATE now issues warning instead of error if EVALUATE
is used outside lexical scope of (WITH-NAMESPACES (...) ...)

Added some of missing XPath functions - substring(), true(), false(),
boolean(), number()

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darcs-hash:2d8860ef9e911e6597859b4fa6ea89a4138523bc

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darcs-hash:b96e13c8d54121d1fbfffc220ff442053e425942