diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/provisional/style/StructuredPresentationReconciler.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/provisional/style/StructuredPresentationReconciler.java
index 1001ad5..c320975 100644
--- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/provisional/style/StructuredPresentationReconciler.java
+++ b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/provisional/style/StructuredPresentationReconciler.java
@@ -641,6 +641,10 @@
 		if (fDamagers == null)
 			return null;
 
+		final int idx = contentType.indexOf(':');
+		if(idx > 0) {
+			contentType = contentType.substring(0, idx + 1);
+		}
 		return (IPresentationDamager) fDamagers.get(contentType);
 	}
 
@@ -652,6 +656,10 @@
 		if (fRepairers == null)
 			return null;
 
+		final int idx = contentType.indexOf(':');
+		if(idx > 0) {
+			contentType = contentType.substring(0, idx + 1);
+		}
 		return (IPresentationRepairer) fRepairers.get(contentType);
 	}
 
diff --git a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/text/rules/StructuredTextPartitionerForXML.java b/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/text/rules/StructuredTextPartitionerForXML.java
index 8b73869..ec0e051 100644
--- a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/text/rules/StructuredTextPartitionerForXML.java
+++ b/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/text/rules/StructuredTextPartitionerForXML.java
@@ -25,7 +25,7 @@
 
 public class StructuredTextPartitionerForXML extends StructuredTextPartitioner implements IStructuredTextPartitioner {
 
-	private final static String[] configuredContentTypes = new String[]{IXMLPartitions.XML_DEFAULT, IXMLPartitions.XML_CDATA, IXMLPartitions.XML_PI, IXMLPartitions.XML_DECLARATION, IXMLPartitions.XML_COMMENT, IXMLPartitions.DTD_SUBSET};
+	private final static String[] configuredContentTypes = new String[]{IXMLPartitions.XML_DEFAULT, IXMLPartitions.XML_CDATA, IXMLPartitions.XML_PI, IXMLPartitions.XML_DECLARATION, IXMLPartitions.XML_COMMENT, IXMLPartitions.DTD_SUBSET, IXMLPartitions.PROCESSING_INSTRUCTION_PREFIX};
 
 	public StructuredTextPartitionerForXML() {
 		super();
diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/StructuredTextViewerConfigurationXML.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/StructuredTextViewerConfigurationXML.java
index 9da1daf..f563c9e 100644
--- a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/StructuredTextViewerConfigurationXML.java
+++ b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/StructuredTextViewerConfigurationXML.java
@@ -185,7 +185,7 @@
 	public LineStyleProvider[] getLineStyleProviders(ISourceViewer sourceViewer, String partitionType) {
 		LineStyleProvider[] providers = null;
 
-		if ((partitionType == IXMLPartitions.XML_DEFAULT) || (partitionType == IXMLPartitions.XML_CDATA) || (partitionType == IXMLPartitions.XML_COMMENT) || (partitionType == IXMLPartitions.XML_DECLARATION) || (partitionType == IXMLPartitions.XML_PI)) {
+		if ((partitionType == IXMLPartitions.XML_DEFAULT) || (partitionType == IXMLPartitions.XML_CDATA) || (partitionType == IXMLPartitions.XML_COMMENT) || (partitionType == IXMLPartitions.XML_DECLARATION) || (partitionType == IXMLPartitions.XML_PI) || (partitionType == IXMLPartitions.PROCESSING_INSTRUCTION_PREFIX)) {
 			providers = new LineStyleProvider[]{getLineStyleProviderForXML()};
 		}