tylesheet to define elements in the source
document for which white-space nodes are significant and should be retained.</p>

<p>The <b>elements</b> attribute is mandatory, and defines a space-separated list of element names.
The value "*" may be used to mean "all elements"; in this case any elements where whitespace is not
to be preserved may be indicated by an <a href="#xsl:strip-space">xsl:strip-space</a> element.</p>


</font>
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<h3><a name="xsl:processing-instruction">xsl:processing