XMLTag Names becoming titles in html

I am having the following xml:
<description> Hello </description>
<author> J.Bloggs</author>
<temperature> 37 degrees</temperature>
<soil></soil>

In my xsl:
I need some way of looping through the xml so that if there is content (e.g
Hello for description tag) to display the xml element tag's name (e.g
description) as a title in the html along with the content, otherwise
display nothing (as for the soil tag).

Thanks
Tanz


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