libxml-rs 0.1.0-alpha.4

Phase 3: I/O, encoding, URI, catalog, serialization, HTML. Native-Rust forensic reimplementation of libxml2+libxslt with C ABI drop-in replacement. 357 tests passing, full encoding subsystem, URI parser, OASIS catalog, HTML parser/serializer, tree serialization, custom I/O buffers.
Documentation 
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//! Debug/memory debugging infrastructure (ยง85 Phase 7).
//!
//! libxml2's debug APIs for printing tree structure, XPath expressions, etc.
//!
//! Phase 0: scaffolded. Implementation begins in Phase 7.