Bug 23968 Abusive check on task tags
2.1M1 Java UI ensures that task tags are valid Java identifiers. Why is it so ? JDT/Core supports any type of tags. In particular, "TODO:" should work fine, and was one of the mentionned tags on the original feature request.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CompilerPreferencePage.java
*/		
	private void updateComplianceEnableState() {
		boolean enabled= checkValue(INTR_DEFAULT_COMPLIANCE, USER);
		for (int i= fComplianceControls.size() - 1; i >= 0; i--) {
			Control curr= (Control) fComplianceControls.get(i);
			curr.setEnabled(enabled);
		}
	}
	/*
	 * Set the default compliance values derived from the chosen level
	 */	
	private void updateComplianceDefaultSettings() {
		Object complianceLevel= fWorkingValues.get(PREF_COMPLIANCE);
		if (VERSION_1_3.equals(complianceLevel)) {
			fWorkingValues.put(PREF_PB_ASSERT_AS_IDENTIFIER, IGNORE);
			fWorkingValues.put(PREF_SOURCE_COMPATIBILITY, VERSION_1_3);
			fWorkingValues.put(PREF_CODEGEN_TARGET_PLATFORM, VERSION_1_1);
		} else if (VERSION_1_4.equals(complianceLevel)) {
			fWorkingValues.put(PREF_PB_ASSERT_AS_IDENTIFIER, ERROR);
			fWorkingValues.put(PREF_SOURCE_COMPATIBILITY, VERSION_1_4);
			fWorkingValues.put(PREF_CODEGEN_TARGET_PLATFORM, VERSION_1_4);
		}
		updateControls();
	}
	
	/*
	 * Evaluate if the current compliance setting correspond to a default setting
	 */
	private String getCurrentCompliance() {
		Object complianceLevel= fWorkingValues.get(PREF_COMPLIANCE);