xsl xml template

gudii9
gudii9 used Ask the Experts™
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In world of xslt and xml when we say template what it exactly means.
Is it is XML template or XSLT template.

when and how we use it.

what it means by default and custom template.
please advise
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First a XSLT file itself could be called a template for short.

Second, there is the XSLT directive <xsl:template>
It's usage is dual:
It could be used when the XSLT processor finds a match between the pattern defined in the template's match attribute and the node either explicitly selected (using the <xsl:apply-templates select="node to select"/>) or the current node of the default template (see below).
And template could be also called by name (defined in its name attribute), just a regular structural language subroutine:
<xsl:call-template name="some-template-name"/>

The default template is embedded into the XSLT processor and is called when no matched template found in the XSLT file.
What the default template does, it just outputs the text nodes and asks the processor to find a matched template for children nodes.
Hope my explanation is understandable.

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