Re: generating unique ids

I am using generate-id() function to generate unique ids through out
my document. But I am having a problem here.

My output looks like this:
<root>

<step1 id="idstep_2_566">

.....
<step1>
<step1 id="idstep_2_566">

</step1>

</root>

Now in  my xslt for template 'step1' I have a generate-id() function.
But for some reason it generates the same id for 'step1' elements.
How do I prevent it from generating the same id that was generated for
the previous step1 node? Do I have to use <xsl:key>?

<list>
  <foo>...</foo>
  <foo>...</foo>
  <foo>...</foo>
</list>

in your input and then write a template for 'foo' elements in the stylesheet
  <xsl:template match="foo">
    <li id="{generate-id()}">
      <xsl:apply-templates/>
    </li>
  </xsl:template>

	Martin Honnen
	http://msmvps.com/blogs/martin_honnen/