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7 changes: 7 additions & 0 deletions src/overlay.xsl
Original file line number Diff line number Diff line change
Expand Up @@ -257,6 +257,13 @@ version="3.0">
<xsl:param name="event"/>
<xsl:param name="in-scope-subject" as="xs:string?" select="()"/>

<!-- the overlay is a render-once singleton, but a host may re-render the page
DOM (or dispose it as a modal) between invocations; rebuild on demand so
show-at always has an element to position -->
<xsl:if test="empty(id($rdfae:overlay-id, ixsl:page()))">
<xsl:call-template name="rdfae:init-overlay"/>
</xsl:if>

<xsl:call-template name="rdfae:show-at">
<xsl:with-param name="element" select="id($rdfae:overlay-id, ixsl:page())"/>
<xsl:with-param name="event" select="$event"/>
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