Re: transforming flat structure with xsl 2.0 grouping

I have an extremely flat structure exported from Framemaker (not structured). The elements are created from style names and the structure is completely flat. Just about everything is a sibling of everything else.

I am transforming this flat structure to a proprietary content model (DTD). The entire project consists of a lot of group. Most of which I have a handle on. However there is aspect I could use some help with.

I have an XML input structure that something like this:

<XML>
<Warning>
</Warning>
<Graphic>
    <IMAGE  href="icon-30.gif"/>
</Graphic>
<WarnHazText>Cleaning solvent </WarnHazText>
<WarnHazText>Wear eye</WarnHazText>
<ProcStep>All weldel.</ProcStep>
<Warning>
</Warning>
<Graphic>
    <IMAGE  href="icon-30.gif"/>
</Graphic>
<WarnHazText>Cleaning solvent </WarnHazText>
<WarnHazText>Wear eye</WarnHazText>
<HazText>CARC </HazText>
<HazText>ALWAYS follow /HazText>
<Note></Note>
<HazText>When using a torch</HazText>
<ProcStep>All weldel.</ProcStep>
</XML>

Or it could look like this:

<XML>
<ProcStep>All weldel.</ProcStep>
<Warning>
</Warning>
<Graphic>
    <IMAGE  href="icon-30.gif"/>
</Graphic>
<WarnHazText>Cleaning solvent </WarnHazText>
<WarnHazText>Wear eye</WarnHazText>
<HazText>CARC </HazText>
<HazText>ALWAYS follow /HazText>
<ProcStep>All weldel.</ProcStep>
</XML>

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