article1b.xsl

 <?xml version="1.0" encoding="ISO-8859-1"?>
 
 <xsl:stylesheet 
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
   version="1.0"
   >
   <xsl:output method="html"/> 
   <xsl:strip-space elements="SECT"/>
  
   <xsl:template match="/">
     <html><body>
        <xsl:apply-templates/>
     </body></html>
   </xsl:template>
 
   <xsl:template match="/ARTICLE/TITLE">
     <h1 align="center"> <xsl:apply-templates/> </h1>
   </xsl:template>
 

   <xsl:template match="/ARTICLE/SECT">
       <h2> <xsl:apply-templates select="text()|B|I|U|DEF|LINK"/> </h2>
       <xsl:apply-templates select="SECT|PARA|LIST|NOTE"/>
   </xsl:template>
     

   <xsl:template match="/ARTICLE/SECT/SECT">
       <h3> <xsl:apply-templates select="text()|B|I|U|DEF|LINK"/> </h3>
       <xsl:apply-templates select="SECT|PARA|LIST|NOTE"/>
   </xsl:template>
 

   <xsl:template match="/ARTICLE/SECT/SECT/SECT">
      <xsl:message terminate="yes">Error: Sections can only be nested 2 deep.</xsl:message>
   </xsl:template>
 
   <!-- Paragraph -->
   <xsl:template match="PARA">
       <p><xsl:apply-templates/></p>
   </xsl:template>
 
 </xsl:stylesheet>