Bug 309997 Duplicate mnemonics on Linked Resources preference page
I20100414-2000. Duplicate mnemonics on Linked Resources preference page. LinkedResourcesPreference_link=&Link linkedResourcesPreference_copy=&Copy LinkedResourcesPreference_linkAndVirtualFolder=Link and create &virtual folders Are used for two different UI widgets and hence the mnemonics collide.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/ResourceDragAndDropEditor.java
public ResourceDragAndDropEditor(Composite composite) {
		folderPref = new PreferenceGroup(IDEWorkbenchMessages.LinkedResourcesPreference_dragAndDropHandlingMessage,
				IDEInternalPreferences.IMPORT_FILES_AND_FOLDERS_MODE,
				new String[] {
				IDEWorkbenchMessages.Prompt,
				IDEWorkbenchMessages.linkedResourcesPreference_copy,
				IDEWorkbenchMessages.LinkedResourcesPreference_link, 
				IDEWorkbenchMessages.LinkedResourcesPreference_linkAndVirtualFolder },
				new String[] {IDEInternalPreferences.IMPORT_FILES_AND_FOLDERS_MODE_PROMPT,
				IDEInternalPreferences.IMPORT_FILES_AND_FOLDERS_MODE_MOVE_COPY,
				IDEInternalPreferences.IMPORT_FILES_AND_FOLDERS_MODE_LINK,
				IDEInternalPreferences.IMPORT_FILES_AND_FOLDERS_MODE_LINK_AND_VIRTUAL_FOLDER});
		virtualFolderPref = new PreferenceGroup(IDEWorkbenchMessages.LinkedResourcesPreference_dragAndDropVirtualFolderHandlingMessage,
				IDEInternalPreferences.IMPORT_FILES_AND_FOLDERS_VIRTUAL_FOLDER_MODE,
				new String[] {
				IDEWorkbenchMessages.Prompt,
				IDEWorkbenchMessages.LinkedResourcesPreference_link, 
				IDEWorkbenchMessages.LinkedResourcesPreference_linkAndVirtualFolder },
				new String[] {IDEInternalPreferences.IMPORT_FILES_AND_FOLDERS_MODE_PROMPT,
				IDEInternalPreferences.IMPORT_FILES_AND_FOLDERS_MODE_LINK,
				IDEInternalPreferences.IMPORT_FILES_AND_FOLDERS_MODE_LINK_AND_VIRTUAL_FOLDER});
		createControl(composite);
	}
	/**
	 * Creates this field editor's main control containing all of its basic
	 * controls.
	 * 
	 * @param parent
	 *            the parent control
	 */