libxml-rs 0.1.0-alpha.6

Phase 5: XPath 1.0 engine, XPointer, XInclude. Native-Rust forensic reimplementation of libxml2+libxslt with C ABI drop-in replacement. 522 tests passing, full XPath 1.0 lexer/parser/AST/eval (25 functions), XPointer element scheme + shorthand pointers, XInclude process/process_flags, C ABI exports.
Documentation 
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//! libxml2's internal regex engine (ยง85 Phase 7).
//!
//! libxml2 uses its own regex engine (xmlregexp.c) for XML Schema pattern
//! facets, XSLT template match patterns, and other internal uses.
//! Must match upstream behavior exactly.
//!
//! Phase 0: scaffolded. Implementation begins in Phase 7.