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−-*- mode: outline; coding: utf-8; -*-
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−
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−* SP.
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−
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−An SGML System Conforming to International Standard ISO 8879 -- Standard
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−Generalized Markup Language.
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−
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−  http://www.jclark.com/sp/
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−                home page
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−  http://www.jclark.com/sp/howtoget.htm
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−                How to get SP
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−
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−* PSGML mode for Emacs.
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−
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−  http://www.lysator.liu.se/~lenst/about_psgml/
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−                original home page
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−  http://www.emacswiki.org/emacs/PsgmlMode
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−  http://www.snee.com/bob/sgmlfree/emcspsgm.html
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−                PSGML Tricks
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−  http://psgml.sourceforge.net/
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−                project page
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−  https://sourceforge.net/projects/psgml/
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−                project page
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−