Bug 500225: Endless loop in Install/Update dialog
diff --git a/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/p2/ui/dialogs/IUDetailsGroup.java b/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/p2/ui/dialogs/IUDetailsGroup.java
index 474ffaf..d63f4a8 100644
--- a/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/p2/ui/dialogs/IUDetailsGroup.java
+++ b/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/p2/ui/dialogs/IUDetailsGroup.java
@@ -112,7 +112,7 @@
 	 */
 	public void setDetailHighlight(String pattern) {
 		detailsArea.setStyleRanges(new StyleRange[0]);
-		if (pattern != null) {
+		if (pattern != null && !pattern.isEmpty()) {
 			StringMatcher matcher = new StringMatcher(pattern, true, false);
 			int i = 0;
 			StringMatcher.Position match = null;