[394123] XML_PI_CONTENT doesn't get hover callback
diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/StructuredTextViewer.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/StructuredTextViewer.java
index 7c3225d..ccacf5a 100644
--- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/StructuredTextViewer.java
+++ b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/StructuredTextViewer.java
@@ -22,11 +22,13 @@
 import org.eclipse.jface.text.IDocumentAdapter;
 import org.eclipse.jface.text.IDocumentExtension4;
 import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.ITextHover;
 import org.eclipse.jface.text.ITextPresentationListener;
 import org.eclipse.jface.text.ITextSelection;
 import org.eclipse.jface.text.ITextViewerExtension2;
 import org.eclipse.jface.text.Region;
 import org.eclipse.jface.text.TextSelection;
+import org.eclipse.jface.text.TextUtilities;
 import org.eclipse.jface.text.contentassist.IContentAssistant;
 import org.eclipse.jface.text.contentassist.IContentAssistantExtension2;
 import org.eclipse.jface.text.contentassist.IContentAssistantExtension4;
@@ -384,6 +386,25 @@
 			fPresentationReconciler.install(this);
 	}
 
+	protected ITextHover getTextHover(int offset, int stateMask) {
+		ITextHover hover = super.getTextHover(offset, stateMask);
+		if (hover == null) {
+			final IDocument document = getDocument();
+			if (fConfiguration != null && document != null) {
+				// Check for computed partitions
+				try {
+					final String partition = TextUtilities.getContentType(document, getDocumentPartitioning(), offset, true);
+					final int idx = partition != null ? partition.indexOf(':') : -1;
+					if (idx > -1) {
+						hover = fConfiguration.getTextHover(this, partition.substring(0, idx), stateMask);
+					}
+				}
+				catch (BadLocationException e) {}
+			}
+		}
+		return hover;
+	}
+
 	/**
 	 * @param document
 	 * @param startOffset