Bug 51853 Support new compiler option PREF_PB_UNUSED_DECLARED_THROWN_EXCEPTION_WHEN_OVERRIDING
20040212 Add the new setting to the compiler preference page
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CompilerConfigurationBlock.java
description.setLayoutData(gd);
			
		String label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_synth_access_emul.label"); 
		addComboBox(composite, label, PREF_PB_SYNTHETIC_ACCESS_EMULATION, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_local_variable_hiding.label"); 
		addComboBox(composite, label, PREF_PB_LOCAL_VARIABLE_HIDING, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		int indent= fPixelConverter.convertWidthInCharsToPixels(2);
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_special_param_hiding.label"); 
		addCheckBox(composite, label, PREF_PB_SPECIAL_PARAMETER_HIDING_FIELD, enabledDisabled, indent);
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_field_hiding.label"); 
		addComboBox(composite, label, PREF_PB_FIELD_HIDING, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_non_externalized_strings.label"); 
		addComboBox(composite, label, PREF_PB_NON_EXTERNALIZED_STRINGS, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_incompatible_interface_method.label"); 
		addComboBox(composite, label, PREF_PB_INCOMPATIBLE_INTERFACE_METHOD, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_char_array_in_concat.label"); 
		addComboBox(composite, label, PREF_PB_CHAR_ARRAY_IN_CONCAT, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_unqualified_field_access.label"); 
		addComboBox(composite, label, PREF_PB_UNQUALIFIED_FIELD_ACCESS, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		
		gd= new GridData();
		gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(6);
		
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_max_per_unit.label"); 
		Text text= addTextField(composite, label, PREF_PB_MAX_PER_UNIT, 0, 0);
		text.setTextLimit(6);
		text.setLayoutData(gd);
		return composite;
	}
	private Composite createUnusedCodeTabContent(TabFolder folder) {