To modify individually, preferences would have to be loaded from a file once a specific debugger has been invoked. The SDB has several things to offer, most of which appear under the Tools menu. Each item in the menu is described below. This creates a breakpoint to catch when the production fires. Preferences Provides a constantly-updated view of the current preferences considered.
Matches Provides a constantly-updated view of the current matches.
Stack Provides a constantly-updated view of the current stack. StateMap Provides a expandable, hierarchical view of the current states. Breaks Break on value change Creates a break for when the value of the selected item changes Break on value expression Brings up a popup window to define a test on the selected item. Break on Attribute On Symbol Brings up a dialog asking for an attribute to test for on the selected symbol. When that attribute appears on the symbol, the breakpoint is invoked.