# HG changeset patch
# User Henry S. Thompson <ht@markup.co.uk>
# Date 1494191011 -3600
# Node ID 8dd54346bfd8a1e36d667028c967ee7e969c3b00
# Parent  6ed900e8cc61d975740742ba5464567696cff54c
tabulate unique normalised formulae

diff -r 6ed900e8cc61 -r 8dd54346bfd8 refs.xsl
--- a/refs.xsl	Sun May 07 19:21:53 2017 +0100
+++ b/refs.xsl	Sun May 07 22:03:31 2017 +0100
@@ -15,7 +15,7 @@
   <xsl:if test="@r='xxx' and @c='1'"><xsl:message><xsl:value-of select="count(e:f/*)"/>|</xsl:message>
   </xsl:if>
   <nf r="{$i}"><xsl:value-of select="e:fnf(e:f/*)"/></nf>
-  <xsl:if test="e:f[e:s|e:r]"><ref r="{$i}"><xsl:apply-templates select="e:f[e:s|e:r]"/></ref></xsl:if>
+  <xsl:if test="e:f[e:s|e:r]"><ref r="{$i}"><xsl:apply-templates select="e:f/(e:s|e:r)"/></ref></xsl:if>
  </xsl:template>
  
  <xsl:template match="e:c"/>
diff -r 6ed900e8cc61 -r 8dd54346bfd8 refs2.xsl
--- a/refs2.xsl	Sun May 07 19:21:53 2017 +0100
+++ b/refs2.xsl	Sun May 07 22:03:31 2017 +0100
@@ -32,6 +32,9 @@
      <r><xsl:value-of select="@r"/>&gt;</r>
     </xsl:for-each>
    </i>
+  </xsl:for-each>   
+  <xsl:for-each select="distinct-values(e:nf/text())">
+   <nf i="{position()}"><xsl:value-of select="."/></nf>
   </xsl:for-each>
  </xsl:variable>
   <xsl:copy>