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+<h2>Specification and tools for PGML</h2>
+<p> 
+PGML is the proposed logical markup language for future versions of
+Proof General.  The basic version legitimizes the present markup
+scheme which is used by Proof General (based on 8-bit characters).
+Ideas for PGML are described in the white paper 
+<a href="/home/da/drafts/#white">here</a>, but no complete description or
+DTD is given there.  This project is to specify PGML using XML or SGML,
+and develop some tools for using it.  Various tools are desirable,
+including: (1) a display tool which displays PGML inside Emacs, or
+converts it to HTML for display by a web browser; (2) a filter or
+revised version of LEGO which converts its 8-bit markup into PGML, for
+testing purposes.
+</p>
+<p> 
+<b>Skills:</b> 
+Understanding of markup languages and tools for using and specifying them.
+Interest in representation of mathematical content. 
+Necessary programming skills.
+</p><p> 
+<b>Proposer:</b> 
+<a href="http://zermelo.dcs.ed.ac.uk/~da">David Aspinall</a>.
+</p> 
+