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If no versions registered for a module, don't show empty versions in template
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@ -344,6 +344,8 @@ class DocumentationViewer extends Controller {
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$currentVersion = $this->getVersion();
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foreach($versions as $key => $version) {
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if(!$version) continue;
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$linkingMode = ($currentVersion == $version) ? 'current' : 'link';
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$output->push(new ArrayData(array(
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