# HG changeset patch
# User Henry S. Thompson <ht@markup.co.uk>
# Date 1493715602 -3600
# Node ID afda541de4c4426b31d7f3e9fcfe81ebb445dedf
# Parent  ac6d1ca099f76deb913c7d1e149f9a394168faed
working again with new refs

diff -r ac6d1ca099f7 -r afda541de4c4 refs2.xsl
--- a/refs2.xsl	Tue May 02 09:20:13 2017 +0100
+++ b/refs2.xsl	Tue May 02 10:00:02 2017 +0100
@@ -2,26 +2,35 @@
 <!DOCTYPE doc SYSTEM "../../../lib/xml/xsl.dtd" >
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="3.0" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:e="http://markup.co.uk/excel" exclude-result-prefixes="xs e" xmlns="http://markup.co.uk/excel">
  <!-- Invert the singleton references extracted from formulae by refs.xsl 
-      Input e:refs/e:ref/e:s  e:ref[@r] contains one or more e:s or e:r
+      Input e:refs/e:ref/(e:s|e:r)  e:ref[@r] contains one or more e:s or e:r
                                         for each singleton/range reference
-                                        to e:s/@r in @r's formula
+                                        to [e:r/]e:s/@r in @r's formula
       Output e:refs/e:i/e:r e:i[@r] contains one e:r for each cell which
                                      references r -->
  
  <xsl:include href="n2a.xsl"/>
  <xsl:include href="a2n.xsl"/>
  
- <xsl:key name="ref" match="e:ref" use="for $s in e:s return translate($s/@r,'$','')"/>
+ <xsl:key name="ref" match="e:ref[e:s]" use="for $s in e:s return translate($s/@r,'$','')"/>
+ <xsl:key name="rrefTL" match="e:ref[e:r]" use="for $s in e:r/(e:s[1]) return translate($s/@r,'$','')"/>
+ <xsl:key name="rrefBR" match="e:ref[e:r]" use="for $s in e:r/(e:s[2]) return translate($s/@r,'$','')"/>
  
  <xsl:template match="e:refs">
+  <xsl:message><xsl:value-of select="count(e:ref/e:r)"/>|<xsl:value-of select="count(e:ref/e:r/(e:s[1]))"/>|<xsl:value-of select="distinct-values(count(e:ref/e:r/(e:s[1])))"/></xsl:message>
   <xsl:variable name="refs" select="."/>
   <xsl:variable name="invert">
   <xsl:for-each select="distinct-values(
-                        for $s in e:ref/e:s return translate($s/@r,'$',''))">
+                        for $s in e:ref//e:s return translate($s/@r,'$',''))">
    <xsl:variable name="r" select="."/>
    <i r="{$r}">
     <xsl:for-each select="key('ref',$r,$refs)">
-     <r><xsl:value-of select="@c"/></r>
+     <r><xsl:value-of select="@r"/></r>
+    </xsl:for-each>
+    <xsl:for-each select="key('rrefTL',$r,$refs)">
+     <r>&lt;<xsl:value-of select="@r"/></r>
+    </xsl:for-each>
+    <xsl:for-each select="key('rrefBR',$r,$refs)">
+     <r><xsl:value-of select="@r"/>&gt;</r>
     </xsl:for-each>
    </i>
   </xsl:for-each>