xsl:apply-imports
Searches for a template that matches the current node and that is defined in a stylesheet that was imported (directly or indirectly) from the stylesheet containing the current template, and whose mode matches the current mode. If there is such a template, it is activated using the current node. If not, the built-in template for the kind of node is activated.
Category: instruction
Content: xsl:with-param*
Permitted parent elements: 
          any XSLT element whose content model is 
        sequence-constructor; any literal result element 
      
Element has no attributes
Saxon availability
Available in XSLT 1.0 and later versions. Available in all Saxon editions. Available for all platforms.
Details
At run-time, there must be a current template. A current template is established when a template is activated as a result of a call on xsl:apply-templates. Calling xsl:call-template does not change the current template. Calling xsl:for-each or xsl:for-each-group causes the current template to become null.
The xsl:apply-imports element is used in conjunction with imported
                    stylesheets. The effect is to search for a template that matches the current
                    node and that is defined in a stylesheet that was imported (directly or
                    indirectly, possibly via xsl:include) from the stylesheet containing the current template, and
                    whose mode matches the current mode. If there is such a template, it is
                    activated using the current node. If not, the built-in template for the kind of
                    node is activated.
To supply parameters to the called template, one or more xsl:with-param elements may be included. The values
                    of these parameters are available to the called template. If the
                        xsl:with-param element specifies tunnel="yes",
                    then the parameter is passed transparently through to templates called at any
                    depth, but it can only be referenced by an xsl:param element that
                    also specifies tunnel="yes". If the default value,
                        tunnel="no" is used, then the parameter value is available only
                    in the immediately called template, and only if the xsl:param
                    element specifies tunnel="no" (explicitly or by defaulting the
                    attribute).