[140946] make 'strict' content assist mode the default
diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/preferences/XMLUIPreferenceInitializer.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/preferences/XMLUIPreferenceInitializer.java
index fb6253a..fd41d76 100644
--- a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/preferences/XMLUIPreferenceInitializer.java
+++ b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/preferences/XMLUIPreferenceInitializer.java
@@ -21,7 +21,8 @@
 		
 		store.setDefault(XMLUIPreferenceNames.AUTO_PROPOSE, true);
 		store.setDefault(XMLUIPreferenceNames.AUTO_PROPOSE_CODE, "<"); //$NON-NLS-1$
-        store.setDefault(XMLUIPreferenceNames.SUGGESTION_STRATEGY, XMLUIPreferenceNames.SUGGESTION_STRATEGY_VALUE_LAX);
+		// https://bugs.eclipse.org/bugs/show_bug.cgi?id=140946
+        store.setDefault(XMLUIPreferenceNames.SUGGESTION_STRATEGY, XMLUIPreferenceNames.SUGGESTION_STRATEGY_VALUE_STRICT);
 		store.setDefault(
 					XMLUIPreferenceNames.USE_INFERRED_GRAMMAR, true);