A free, object-oriented toolkit for SGML parsing and entity management 

Features summary 

    * Includes nsgmls 
    * Provides access to all information about SGML document 
    * Supports almost all optional SGML features 
    * Sophisticated entity manager 
    * Supports multi-byte character sets 
    * Object-oriented 
    * Written in C++ from scratch 
    * Fast 
    * Portable 
    * Production quality 
    * Free 

WWW: http://www.jclark.com/sp/