An SGML System Conforming to International Standard ISO 8879 -- Standard Generalized Markup Language

An SGML Extended Facilities system conforming to Annex A of International Standard ISO/IEC 10744 -- Hypermedia/Time-based Structuring Language

The following documents are available:

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For information about SGML, see

We would like to hear about any bugs you find in OpenSP. When reporting a bug, please always include a complete self-contained file that will enable us to reproduce the bug. We are also interested in receiving suggestions for improvements to OpenSP no matter how small.