title: remove root node which have similar name using xslt
body: <p>i have xml like this</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="ASCII" standalone="yes"?&gt;
  &lt;InvoiceTransmission xmlns="http://xxxxxxxxxxxxxxxx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.IATA.com/IATAAviationInvoiceStandard http://xxxxxxxxxxxxxxxx"&gt;
      &lt;InvoiceTransmission&gt;
          &lt;TransmissionHeader&gt;
              &lt;TransmissionDateTime&gt;xxxx&lt;/TransmissionDateTime&gt;
              &lt;Version&gt;xxxx&lt;/Version&gt;
              &lt;TransmissionID&gt;xxxxx&lt;/TransmissionID&gt;
              &lt;IssuingOrganizationID&gt;xxx&lt;/IssuingOrganizationID&gt;
              &lt;BillingCategory&gt;xx&lt;/BillingCategory&gt;
          &lt;/TransmissionHeader&gt;
          &lt;Invoice&gt;
              &lt;InvoiceHeader&gt;
                  &lt;InvoiceNumber&gt;xxxx&lt;/InvoiceNumber&gt;
                  &lt;InvoiceDate&gt;xxx&lt;/InvoiceDate&gt;
                  &lt;InvoiceType&gt;xxxx&lt;/InvoiceType&gt;
                  &lt;LocationCode&gt;xxx&lt;/LocationCode&gt;
                  &lt;ChargeCategory&gt;xxxx&lt;/ChargeCategory&gt;
                  &lt;SellerOrganization&gt;
                      &lt;OrganizationID&gt;xxx&lt;/OrganizationID&gt;
                      &lt;OrganizationDesignator&gt;xx&lt;/OrganizationDesignator&gt;
                      &lt;OrganizationName1&gt;xxxx&lt;/OrganizationName1&gt;
                      &lt;ContactName&gt;xxx&lt;/ContactName&gt;
                      &lt;Address&gt;
                          &lt;AddressLine1&gt;xxx&lt;/AddressLine1&gt;
                          &lt;CityName&gt;xxx&lt;/CityName&gt;
                          &lt;CountryCode&gt;xxx&lt;/CountryCode&gt;
                          &lt;CountryName&gt;xx&lt;/CountryName&gt;
                          &lt;PostalCode&gt;xx&lt;/PostalCode&gt;
                      &lt;/Address&gt;
                  &lt;/SellerOrganization&gt;
      &lt;/InvoiceTransmission&gt;
  &lt;/InvoiceTransmission&gt;
  </code></pre>
  
  <p>i have tried to use the xslt code</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="ASCII" standalone="yes"?&gt;
  &lt;InvoiceTransmission xmlns="http://xxxxxxxxxxxxxxxx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.IATA.com/IATAAviationInvoiceStandard http://xxxxxxxxxxxxxxxx"&gt;
      &lt;TransmissionHeader&gt;
          &lt;TransmissionDateTime&gt;xxxx&lt;/TransmissionDateTime&gt;
          &lt;Version&gt;xxxx&lt;/Version&gt;
          &lt;TransmissionID&gt;xxxxx&lt;/TransmissionID&gt;
          &lt;IssuingOrganizationID&gt;xxx&lt;/IssuingOrganizationID&gt;
          &lt;BillingCategory&gt;xx&lt;/BillingCategory&gt;
      &lt;/TransmissionHeader&gt;
      &lt;Invoice&gt;
          &lt;InvoiceHeader&gt;
              &lt;InvoiceNumber&gt;xxxx&lt;/InvoiceNumber&gt;
              &lt;InvoiceDate&gt;xxx&lt;/InvoiceDate&gt;
              &lt;InvoiceType&gt;xxxx&lt;/InvoiceType&gt;
              &lt;LocationCode&gt;xxx&lt;/LocationCode&gt;
              &lt;ChargeCategory&gt;xxxx&lt;/ChargeCategory&gt;
              &lt;SellerOrganization&gt;
                  &lt;OrganizationID&gt;xxx&lt;/OrganizationID&gt;
                  &lt;OrganizationDesignator&gt;xx&lt;/OrganizationDesignator&gt;
                  &lt;OrganizationName1&gt;xxxx&lt;/OrganizationName1&gt;
                  &lt;ContactName&gt;xxx&lt;/ContactName&gt;
                  &lt;Address&gt;
                      &lt;AddressLine1&gt;xxx&lt;/AddressLine1&gt;
                      &lt;CityName&gt;xxx&lt;/CityName&gt;
                      &lt;CountryCode&gt;xxx&lt;/CountryCode&gt;
                      &lt;CountryName&gt;xx&lt;/CountryName&gt;
                      &lt;PostalCode&gt;xx&lt;/PostalCode&gt;
                  &lt;/Address&gt;
              &lt;/SellerOrganization&gt;
  &lt;/InvoiceTransmission&gt;
  </code></pre>
  
  <p>but its not giving the proper output
  but i want my output like this.</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="ASCII" standalone="yes"?&gt;
  &lt;InvoiceTransmission xmlns="http://xxxxxxxxxxxxxxxx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.IATA.com/IATAAviationInvoiceStandard http://xxxxxxxxxxxxxxxx"&gt;
      &lt;TransmissionHeader&gt;
          &lt;TransmissionDateTime&gt;xxxx&lt;/TransmissionDateTime&gt;
          &lt;Version&gt;xxxx&lt;/Version&gt;
          &lt;TransmissionID&gt;xxxxx&lt;/TransmissionID&gt;
          &lt;IssuingOrganizationID&gt;xxx&lt;/IssuingOrganizationID&gt;
          &lt;BillingCategory&gt;xx&lt;/BillingCategory&gt;
      &lt;/TransmissionHeader&gt;
      &lt;Invoice&gt;
          &lt;InvoiceHeader&gt;
              &lt;InvoiceNumber&gt;xxxx&lt;/InvoiceNumber&gt;
              &lt;InvoiceDate&gt;xxx&lt;/InvoiceDate&gt;
              &lt;InvoiceType&gt;xxxx&lt;/InvoiceType&gt;
              &lt;LocationCode&gt;xxx&lt;/LocationCode&gt;
              &lt;ChargeCategory&gt;xxxx&lt;/ChargeCategory&gt;
              &lt;SellerOrganization&gt;
                  &lt;OrganizationID&gt;xxx&lt;/OrganizationID&gt;
                  &lt;OrganizationDesignator&gt;xx&lt;/OrganizationDesignator&gt;
                  &lt;OrganizationName1&gt;xxxx&lt;/OrganizationName1&gt;
                  &lt;ContactName&gt;xxx&lt;/ContactName&gt;
                  &lt;Address&gt;
                      &lt;AddressLine1&gt;xxx&lt;/AddressLine1&gt;
                      &lt;CityName&gt;xxx&lt;/CityName&gt;
                      &lt;CountryCode&gt;xxx&lt;/CountryCode&gt;
                      &lt;CountryName&gt;xx&lt;/CountryName&gt;
                      &lt;PostalCode&gt;xx&lt;/PostalCode&gt;
                  &lt;/Address&gt;
              &lt;/SellerOrganization&gt;
  &lt;/InvoiceTransmission&gt;
  </code></pre>
  
  <p>this "InvoiceTransmission" node is repeating two times 
   i want to remove this second time one</p>