diff --git a/xml2html.xsl.old b/xml2html.xsl.old
deleted file mode 100755
index 330fa72..0000000
--- a/xml2html.xsl.old
+++ /dev/null
@@ -1,420 +0,0 @@
-<?xml version="1.0"?>
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
-	<!-- Whether sample answers should be included in output.  This could be an xsl:param rather than an xsl:variable, maybe. -->
-	<!--/nts-05
-	<xsl:variable name="showanswers" select="'yes'"/>
-	-->
-	<xsl:param name="showanswers" select="'no'"/>
-	<xsl:output method="html" encoding="ISO-8859-1" media-type="text/html" doctype-public="-//W3C//DTD HTML 4.01 Transitional//EN"/>
-	
-	<!-- Make <omit>s (and aliases) disappear. -->
-	<xsl:template match="omit"/>
-	<xsl:template match="omission"/>
-	<xsl:template match="excluded"/>
-	<xsl:template match="exclusion"/>
-	
-	<!-- Carry comments through to the output document.  (Kind of: "It is an error if instantiating the content of xsl:comment creates nodes other than text nodes.") -->
-	<xsl:template match="comment">
-		<xsl:comment>
-			<xsl:apply-templates/>
-		</xsl:comment>
-	</xsl:template>
-	
-	<xsl:variable name="uppercase" select="'ABCDEFGHIJKLMNOPQRSTUVWXYZ'"/>
-	<xsl:variable name="lowercase" select="'abcdefghijklmnopqrstuvwxyz'"/>
-
-	
-	
-
-
-	<xsl:variable name="web-server-dns" select="'info-nts-05.otago.ac.nz'"/>
-	<xsl:variable name="web-course-path" select="/info321"/>
-	<xsl:variable name="web-tut-path" select="$web-course-path/materials"/>
-	<xsl:variable name="web-lab-path" select="$web-course-path/materials"/>
-
-
-	<xsl:template name="paper" match="paper"><xsl:apply-templates select="subject-code"/>&#160;<xsl:apply-templates select="paper-number"/></xsl:template>
-
-	<xsl:template name="PaperCode" match="PaperCode">INFO&#160;321</xsl:template>
-	<xsl:template name="OracleServer" match="OracleServer">Oracle9<I>i</I></xsl:template>
-	
-	
-	<!-- Oracle Documentation Links: DO NOT EDIT: generated automatically from Excel -->
-
-<xsl:template match="OraAdmin"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/server.920/a96521/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> Database Administrator<xsl:call-template name="apostrophe"/>s Guide</A></xsl:template>
-<xsl:template match="OraAppDevOR"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/appdev.920/a96594/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> Application Developer<xsl:call-template name="apostrophe"/>s Guide<xsl:call-template name="emdash"/>Object-Relational Features</A></xsl:template>
-<xsl:template match="OraConcepts"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/server.920/a96524/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> Database Concepts</A></xsl:template>
-<xsl:template match="OraDataWarehousing"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/server.920/a96520/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> </A></xsl:template>
-<xsl:template match="OraErrors"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/server.920/a96525/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> Database Error Messages</A></xsl:template>
-<xsl:template match="OraSQL"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/server.920/a96540/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> SQL Reference</A></xsl:template>
-<xsl:template match="OraJava"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/java.920/a96656/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> Java Developer<xsl:call-template name="apostrophe"/>s Guide</A></xsl:template>
-<xsl:template match="OraJDBC"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/java.920/a96654/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> JDBC Developer<xsl:call-template name="apostrophe"/>s Guide and Reference</A></xsl:template>
-<xsl:template match="OraGlossary"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/mix.920/a97290/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> Database Master Glossary</A></xsl:template>
-<xsl:template match="OraTuning"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/server.920/a96533/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> Database Performance Tuning Guide and Reference</A></xsl:template>
-<xsl:template match="OraPLSQL"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/appdev.920/a96624/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> PL/SQL User<xsl:call-template name="apostrophe"/>s Guide and Reference</A></xsl:template>
-<xsl:template match="OraIndex"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/mix.920/a96625/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> Database Master Index</A></xsl:template>
-<xsl:template match="OraReference"><A><xsl:attribute name="HREF">http://info-nts-05.otago.ac.nz/docs/oracle9i/server.920/a96536/toc.htm</xsl:attribute><xsl:call-template name="OracleServer"/> Database Reference</A></xsl:template>
-
-	<!-- End of Oracle Documentation Links.  That'll save a bit o' typing. -->
-
-
-	
-	<!-- Special characters (should maybe all be named, in case they need to be called explicitly with xsl:call-template) -->
-	<!-- I'd like to use the Unicode names for these; will look them up some time! -->
-	<xsl:template name="newline" match="newline"><BR/></xsl:template>
-	<xsl:template name="non-breaking-space" match="non-breaking-space">&#160;</xsl:template>
-	<xsl:template match="nbsp"><xsl:call-template name="non-breaking-space"/></xsl:template>
-	<xsl:template name="ellipsis-sign" match="ellipsis-sign">&#8230;</xsl:template>
-	<xsl:template match="etc"><xsl:call-template name="ellipsis-sign"/></xsl:template>
-	<xsl:template match="ellipsis"><xsl:call-template name="ellipsis-sign"/></xsl:template>
-	
-	<!-- Mathematical symbols -->
-	<xsl:template name="digit-group-separator" match="digit-group-separator"><xsl:call-template name="non-breaking-space"/></xsl:template>
-	<xsl:template match="digitsep"><xsl:call-template name="digit-group-separator"/></xsl:template>
-	<xsl:template name="multiplication-sign" match="multiplication-sign">&#215;</xsl:template>
-	<xsl:template match="times"><xsl:call-template name="multiplication-sign"/></xsl:template>
-	<xsl:template match="minus">-</xsl:template>
-	<xsl:template match="approximately-equal-to">&#8773;</xsl:template>
-	<xsl:template match="less-than-or-equal-to">&lt;=</xsl:template>
-	<xsl:template match="less-than">&lt;</xsl:template>
-	<xsl:template match="greater-than">&gt;</xsl:template>
-
-	<xsl:template name="endash" match="endash">&#8211;</xsl:template>
-	<xsl:template name="emdash" match="emdash">&#8212;</xsl:template>
-	<xsl:template name="apostrophe" match="apostrophe">&#8217;</xsl:template>
-	<xsl:template match="dollar">$</xsl:template>
-	<xsl:template name="percent-sign" match="percent-sign">%</xsl:template>
-	<xsl:template match="percent"><xsl:call-template name="percent-sign"/></xsl:template>
-	<xsl:template match="ampersand">&amp;</xsl:template>
-	<xsl:template match="trademark">&#8482;</xsl:template>
-	<xsl:template name="degree-sign" match="degree-sign">&#176;</xsl:template>
-	<xsl:template match="degree"><xsl:call-template name="degree-sign"/></xsl:template>
-	<xsl:template match="section-sign">Section</xsl:template>
-	<xsl:template match="pi">&#960;</xsl:template>
-
-	<!-- Special styles -->
-	<xsl:template match="emph"><EM><xsl:apply-templates/></EM></xsl:template>
-	<xsl:template match="italic"><I><xsl:apply-templates/></I></xsl:template>
-	<xsl:template match="quote">&#8220;<xsl:apply-templates/>&#8221;</xsl:template>
-	<xsl:template match="term"><I CLASS="term"><xsl:apply-templates/></I></xsl:template>
-	<xsl:template match="foreign"><I CLASS="foreign"><xsl:apply-templates/></I></xsl:template>
-
-	<!-- More math stuff -->
-	<xsl:template match="fraction"><SUP><xsl:apply-templates select="numerator"/></SUP>/<SUB><xsl:apply-templates select="denominator"/></SUB></xsl:template>
-	<xsl:template name="equation-array" match="equation-array"><TABLE CLASS="equation" BORDER="0" ALIGN="CENTER"><xsl:apply-templates/></TABLE></xsl:template>
-	<!-- No, don't put in an alias, because you'd also need one for eqnarray//row.
-	<xsl:template match="eqnarray"><xsl:call-template name="equation-array"/></xsl:template> -->
-	<xsl:template match="equation-array/row"><TR><TD ALIGN="RIGHT"><xsl:apply-templates select="left"/></TD><TD ALIGN="CENTER"><xsl:apply-templates select="middle"/></TD><TD ALIGN="LEFT"><xsl:apply-templates select="right"/></TD></TR></xsl:template>
-	<!-- Nope, LaTeX eqnarray can have only three columns, so no need to generalise.
-	<xsl:template match="equation-array/row/cell"><TD><xsl:attribute name="ALIGN"><xsl:value-of select="@align"/></xsl:attribute><xsl:apply-templates/></TD></xsl:template>
-	-->
-
-	<xsl:template match="code"><CODE><xsl:apply-templates/></CODE></xsl:template>
-	<xsl:template match="code-block">
-		<PRE CLASS="code">
-			<xsl:apply-templates/>
-		</PRE>
-	</xsl:template>
-	<!-- Special elements inside code blocks: -->
-	<xsl:template match="code-block//parameter"><I>&lt;<xsl:apply-templates/>&gt;</I></xsl:template>
-	<xsl:template match="code-block//hrule">--------------------------------</xsl:template>
-	<xsl:template match="code-block/server-output"><B><xsl:apply-templates/></B></xsl:template>
-	<xsl:template match="code-block/query-plan"><B><xsl:apply-templates/></B></xsl:template>
-
-	<xsl:template match="verbatim"><PRE><xsl:apply-templates/></PRE></xsl:template>
-
-
-	<!-- pass-through code -->
-	<xsl:template match="html"><xsl:value-of select="."/></xsl:template>
-
-	<!-- HTML is weird about what things you cannot include inside paragraphs (e.g. lists of any kind).  However, the end P tag is optional, so perhaps let's just not output it. -->
-	<xsl:template match="paragraph"><P><xsl:apply-templates/></P></xsl:template>
-	<xsl:template match="para"><P><xsl:apply-templates/></P></xsl:template>
-	<xsl:template match="p"><P><xsl:apply-templates/></P></xsl:template>
-
-
-
-	<!-- Figures and included graphics -->
-	<!-- Dummy:
-	<xsl:template match="figure">
-	
-	<pre>
-		<xsl:apply-templates/>
-	</pre>
-	
-	</xsl:template>
-	-->
-	
-	<xsl:template match="figure">
-		<DIV CLASS="figure">
-			<A><xsl:attribute name="NAME">figure-<xsl:value-of select="id"/><xsl:value-of select="label"/></xsl:attribute></A>
-			<xsl:apply-templates select="image"/>
-			<BR/>
-			<xsl:apply-templates select="caption"/>
-		</DIV>
-	</xsl:template>
-
-	<xsl:template match="image">
-		<A>
-			<xsl:attribute name="HREF">Graphics/<xsl:value-of select="basename"/>-600dpi.png</xsl:attribute>
-			<IMG BORDER="0">
-				<xsl:attribute name="SRC">Graphics/<xsl:value-of select="basename"/>-72dpi.png</xsl:attribute>
-				<xsl:attribute name="ALT">image:<xsl:value-of select="basename"/></xsl:attribute>
-			</IMG>
-		</A>
-	</xsl:template>
-
-	
-
-	<xsl:template match="eqnarray">
-		<pre>
-			<xsl:apply-templates/>
-		</pre>
-	</xsl:template>
-
-	
-	
-	<!-- Table element handling -->
-
-	<xsl:template match="table">
-		<TABLE>
-		</TABLE>
-	</xsl:template>
-
-	<xsl:template match="table/row">
-		<TR>
-		</TR>
-	</xsl:template>
-	
-	<xsl:template match="table/row/cell">
-		<TD>
-			<xsl:apply-templates/>
-		</TD>
-	</xsl:template>
-	
-	<!--	<xsl:template match="tutorial/title"><H1><xsl:apply-templates/></H1></xsl:template> -->
-	<!-- Need to work out heading level based on section nesting - might be tricky (both for HTML and for LaTeX). -->
-	<!-- Do we want to simply allow sections within sections, or make it explicit in the XML what level the section should be at? -->
-	<xsl:template match="/tutorial/section/title">
-		<H2>
-			<xsl:apply-templates/>
-		</H2>
-	</xsl:template>
-	
-	<xsl:template match="/laboratory/section/title">
-		<H2>
-			<xsl:apply-templates/>
-		</H2>
-	</xsl:template>
-
-	<xsl:template match="/tutorial/section/section/title">
-		<H3>
-			<xsl:apply-templates/>
-		</H3>
-	</xsl:template>
-	
-	<xsl:template match="/laboratory/section/section/title">
-		<H3>
-			<xsl:apply-templates/>
-		</H3>
-	</xsl:template>
-
-	
-	<xsl:template match="introduction">
-		<h2>Introduction</h2>
-		<xsl:apply-templates/>
-	</xsl:template>
-	
-	
-	<!-- Lists of various kinds -->
-	
-	<!-- Itemised, unordered, bullet points -->
-	<xsl:template name="itemised-list" match="itemised-list">
-		<UL>
-			<xsl:apply-templates/>
-		</UL>
-	</xsl:template>
-	
-	<xsl:template match="itemised-list/item">
-		<LI>
-			<xsl:apply-templates/>
-		</LI>
-	</xsl:template>
-	
-	<!-- For LaTeX compatibility: -->
-	<xsl:template match="itemize"><xsl:call-template name="itemised-list"/></xsl:template>
-	<xsl:template match="unordered-list"><xsl:call-template name="itemised-list"/></xsl:template>
-	<xsl:template match="bulleted-list"><xsl:call-template name="itemised-list"/></xsl:template>
-	<xsl:template match="bullet-list"><xsl:call-template name="itemised-list"/></xsl:template>
-	<xsl:template match="bullet-points"><xsl:call-template name="itemised-list"/></xsl:template>
-	
-	<xsl:template match="itemize/item">
-		<LI>
-			<xsl:apply-templates/>
-		</LI>
-	</xsl:template>
-
-
-	<!-- Enumerated, ordered, numbered points -->
-	<xsl:template name="enumerated-list" match="enumerated-list">
-		<OL>
-			<xsl:apply-templates/>
-		</OL>
-	</xsl:template>
-	
-	<xsl:template match="enumerated-list/item">
-		<LI>
-			<xsl:apply-templates/>
-		</LI>
-	</xsl:template>
-	
-	<!-- For LaTeX compatibility: -->
-	<xsl:template match="enumerate"><xsl:call-template name="enumerated-list"/></xsl:template>
-	<xsl:template match="ordered-list"><xsl:call-template name="enumerated-list"/></xsl:template>
-	<xsl:template match="numbered-list"><xsl:call-template name="enumerated-list"/></xsl:template>
-
-	
-	
-	<xsl:template match="question-list">
-		<OL class="questions">
-			<xsl:apply-templates/>
-		</OL>
-	</xsl:template>
-	
-	<xsl:template match="question-list/item">
-		<LI class="question">
-			<xsl:apply-templates/>
-		</LI>
-	</xsl:template>
-	
-	<xsl:template match="definition-list">
-		<DL>
-			<xsl:apply-templates/>
-		</DL>
-	</xsl:template>
-
-	<!-- <keyword> and <term> are synonymous in the context definition-list/item -->
-	<xsl:template match="definition-list/item/keyword">
-		<DT><xsl:apply-templates/></DT>
-	</xsl:template>
-	
-	<xsl:template match="definition-list/item/term">
-		<DT><xsl:apply-templates/></DT>
-	</xsl:template>
-
-	<xsl:template match="definition-list/item/definition">
-		<DD><xsl:apply-templates/></DD>
-	</xsl:template>
-	
-	<!--	<xsl:template match="definition-list/item"><xsl:apply-templates/></xsl:template> -->
-	<!-- This doesn't work (in Xalan v?.?) - produces a <DT></DT>...<DD></DD> for some reason. -->
-	<xsl:template match="definition-list/item/keyword"><DT/><xsl:apply-templates/><DD/></xsl:template>
-	
-	<!--
-	Processing answer sections for tutorials and labs.  If the document says that answers should be displayed, then do, otherwise do not.
-	We could (i.e. should) get gnarly and make it so you can turn answers on/off for each tutorial and lab.
-	-->
-	<xsl:template match="answer">
-		<xsl:if test="$showanswers='yes'">
-			<DIV CLASS="answer">
-				<xsl:apply-templates/>
-			</DIV>
-		</xsl:if>
-	</xsl:template>
-
-
-
-	<!-- Cross-references.  Eewww?  Getting these to work nicely in both LaTeX and HTML could be ick. -->
-	<xsl:template name="reference" match="reference">
-		<A>
-			<xsl:if test="type='figure'">
-				<xsl:attribute name="HREF">#figure-<xsl:value-of select="target"/></xsl:attribute>
-			</xsl:if>
-			<xsl:apply-templates select="label"/>
-		</A>
-	</xsl:template>
-	
-	<!-- alias -->
-	<xsl:template match="ref"><xsl:call-template name="reference"/></xsl:template>
-	
-	
-	<!-- Links to URLs. -->
-	<xsl:template match="netlink">
-		<A>
-			<xsl:attribute name="HREF"><xsl:value-of select="target"/></xsl:attribute>
-			<xsl:apply-templates select="label"/>
-		</A>
-	</xsl:template>
-
-	<!-- URLs that should appear verbatim in the output. -->
-	<xsl:template match="url">
-		<A>
-			<xsl:attribute name="HREF"><xsl:value-of select="."/></xsl:attribute>
-			<CODE><xsl:value-of select="."/></CODE>
-		</A>
-	</xsl:template>
-	
-
-
-
-	<!-- Menu items and paths -->
-	<xsl:template match="menu/item"><B><xsl:apply-templates/></B></xsl:template>
-	
-	<xsl:template name="menu-separator" match="menu/separator">&#8594;</xsl:template>
-	<xsl:template match="menusep"><xsl:call-template name="menu-separator"/></xsl:template>
-	
-
-
-
-
-	<!-- Top-level document match -->
-	
-	<xsl:template match="/">
-		<!-- <xsl:value-of select="$showanswers"/> -->
-		<!-- <xsl:message>showanswers=<xsl:value-of select="$showanswers"/>: Sample answers will be displayed.</xsl:message> -->
-		<HTML>
-			<HEAD>
-				<LINK REL="Stylesheet" HREF="http://info-nts-05.otago.ac.nz/info321/styles.css" TYPE="text/css"/>
-				<TITLE>
-					<xsl:if test="name(child::node()[1])='tutorial'">
-					INFO&#160;321 Tutorial <xsl:value-of select="/tutorial/id/number"/>&#160;<xsl:if test="$showanswers='yes'">Sample Answers</xsl:if>: <xsl:apply-templates select="/tutorial/title"/>
-					</xsl:if>
-
-					<xsl:if test="name(child::node()[1])='laboratory'">
-					INFO&#160;321 Laboratory <xsl:value-of select="/laboratory/id/number"/>&#160;<xsl:if test="$showanswers='yes'">Sample Answers</xsl:if>: <xsl:apply-templates select="/laboratory/title"/>
-					</xsl:if>
-				</TITLE>
-			</HEAD>
-			<BODY>
-				<H1>
-					<!-- testing
-					<xsl:value-of select="name(child::node()[1])"/>
-					-->
-					<xsl:if test="name(child::node()[1])='tutorial'">
-					INFO&#160;321 Tutorial <xsl:value-of select="/tutorial/id/number"/>&#160;<xsl:if test="$showanswers='yes'">Sample Answers</xsl:if>: <BR/><xsl:apply-templates select="/tutorial/title"/>
-					</xsl:if>
-					
-					<xsl:if test="name(child::node()[1])='laboratory'">
-					INFO&#160;321 Laboratory <xsl:value-of select="/laboratory/id/number"/>&#160;<xsl:if test="$showanswers='yes'">Sample Answers</xsl:if>: <BR/><xsl:apply-templates select="/laboratory/title"/>
-					</xsl:if>
-				</H1>
-
-				<!-- Laziness: -->
-				<xsl:apply-templates select="/tutorial/introduction"/>
-				<xsl:apply-templates select="/laboratory/introduction"/>
-
-				<xsl:for-each select="/tutorial/section">
-					<xsl:apply-templates/>
-				</xsl:for-each>
-
-				<xsl:for-each select="/laboratory/section">
-					<xsl:apply-templates/>
-				</xsl:for-each>
-
-				<ADDRESS>
-					<xsl:apply-templates select="//id/cvs-id"/>
-				</ADDRESS>
-			</BODY>
-		</HTML>
-	</xsl:template>
-</xsl:stylesheet>