Bug 86184 [KeyBinding] registry: Missing key binding for paste in emacs scheme
3.1 M5a 1. start fresh workspace 2. Window > Preferences > General > Keys 3. switch to "Modify" 4. select emacs scheme 5. select "Edit" category 6. select "Paste" command ==> all key bindings are missing, only the binding provided by "Editing Text" is there. This might be caused by the fact that Ctrl+Y is already declared in org.eclipse.ui/plugin.xml for the redo command.
bundles/org.eclipse.jface/src/org/eclipse/jface/bindings/BindingManager.java
* </p>
	 * 
	 * @param map
	 *            The map to modify; if this value is <code>null</code>, then
	 *            this method simply returns.
	 * @param key
	 *            The key to look up in the map; may be <code>null</code>.
	 * @param value
	 *            The value to look up in the map; may be <code>null</code>.
	 */
	private static final void addReverseLookup(final Map map, final Object key,
			final Object value) {
		if (map == null) {
			return;
		}
		
		final Object currentValue = map.get(key);
		if (currentValue != null) {
			final Collection values = (Collection) currentValue;
			values.add(value);
		} else { 
			final Collection values = new ArrayList(1);
			values.add(value);
			map.put(key, values);
		}
	}
	/**
	 * <p>
	 * Takes a fully-specified string, and converts it into an array of
	 * increasingly less-specific strings. So, for example, "en_GB" would become