Bug 49005 Preference page doesn't get enough space to draw itself
200312162000 There are cases where the preference dialog doesn't allocate enough space for a page to draw itself. The width of the page seems to be a few pixels short.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
* 
	 * @return the sash weights, or <code>null</code> if unknown.
	 */
	private int[] getFormWeights() {
		return lastSashWeights;
	}
	/**
	 * Returns the preference mananger used by this preference dialog.
	 *
	 * @return the preference mananger
	 */
	public PreferenceManager getPreferenceManager() {
		return preferenceManager;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.jface.preference.IPreferencePageContainer#getPreferenceStore()
	 */
	public IPreferenceStore getPreferenceStore() {
		return preferenceStore;
	}
	/**
	 * Get the name of the selected item preference
	 */
	protected String getSelectedNodePreference() {
		return lastPreferenceId;
	}
	/** 
	 * @param selection the <code>ISelection</code> to examine.
	 * @return the first element, or null if empty.
	 */