Disequalities chains for algebra. First draft.

[helm.git] / helm / style / content_to_html.xsl

diff --git a/helm/style/content_to_html.xsl b/helm/style/content_to_html.xsl
index b5c7481bf9590eb4a20a5c491dd937621cad6b12..5ffa0742ab22e605089eb9ccddfc98b84e10c463 100644 (file)
--- a/helm/style/content_to_html.xsl
+++ b/helm/style/content_to_html.xsl
@@ -1209,7 +1209,43 @@
          </xsl:apply-templates>
         </xsl:if>
        </xsl:for-each>
-      </xsl:when> 
+      </xsl:when>
+       <!-- diseq_chain -->
+      <xsl:when test="$name='diseq_chain'">
+       <FONT color="red">We have the following chain of disequalities:</FONT>
+       <xsl:for-each select="*[position() mod 3 = 2]">
+        <xsl:variable name="pos" select="position()"/>
+        <br/>
+        <xsl:call-template name="make_indent">
+         <xsl:with-param name="current_indent" select="$current_indent + 5"/>
+        </xsl:call-template>
+        <xsl:choose>
+         <xsl:when test="$pos=1">
+          <xsl:apply-templates select=".">
+           <xsl:with-param name="current_indent" select="$current_indent + 5"/>
+          </xsl:apply-templates>
+          <xsl:text>&#x00a0;</xsl:text>
+          <xsl:apply-templates mode="inline" select="../*[position()=3*$pos]"/>
+         </xsl:when>
+         <xsl:otherwise>
+          <xsl:apply-templates mode="inline" select="../*[position()=3*($pos - 1)]"/>
+          <xsl:text>&#x00a0;</xsl:text>
+          <xsl:apply-templates select=".">
+           <xsl:with-param name="current_indent" select="$current_indent + 5"/>
+          </xsl:apply-templates>
+         </xsl:otherwise>
+        </xsl:choose>
+        <xsl:if test="$pos != last()">
+         <br/>
+         <xsl:call-template name="make_indent">
+          <xsl:with-param name="current_indent" select="$current_indent + 15"/>
+         </xsl:call-template>
+         <xsl:apply-templates select="../*[position()=3*$pos +1]">
+          <xsl:with-param name="current_indent" select="$current_indent + 15"/>
+         </xsl:apply-templates>
+        </xsl:if>
+       </xsl:for-each>
+      </xsl:when>
       <!-- letin1 -->
       <xsl:when test="$name='letin1'">
        <xsl:apply-templates select="*[position()=2]">