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MINOR Check for existence of related page in RelatedPageLink->RelatedPageAdminLink() (AIR-74)
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@ -56,7 +56,7 @@ class RelatedPageLink extends DataObject {
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function RelatedPageAdminLink($master = false) {
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$page = $master ? Dataobject::get_by_id("SiteTree", $this->MasterPageID) : Dataobject::get_by_id("SiteTree", $this->RelatedPageID);
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$otherPage = $master ? Dataobject::get_by_id("SiteTree", $this->RelatedPageID) : Dataobject::get_by_id("SiteTree", $this->MasterPageID);
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if(!$page) return;
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if(!$page || !$otherPage) return;
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// Use cmsEditlink only when moving between different pages in the same subsite.
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$classClause = ($page->SubsiteID == $otherPage->SubsiteID) ? ' class="cmsEditlink"' : '';
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