Introducing a hierarchy of settings can solve these problems by grouping and categorizing settings. If the user is interested in how footprints are -searched, he can ignore the settings the editor/ subtree has. It is also +searched, They can ignore the settings the editor/ subtree has. It is also easier to save and reload selectively: when the hierarchy is done right, closely related settings end up in the same category (thus the same subtree). Thus saving or loading a subtree can fully save or restore a property of the