title: difference between <xsl:apply-template> and <xsl:call-template>?
body: <p>would you please explain me the difference between<code>&lt;xsl:apply-template&gt;</code> and <code>&lt;xsl:call-template&gt;</code> and when should i use <code>&lt;xsl:call-template&gt;</code> ?<br>
  thank you</p>