de.dante.extex.interpreter.observer.command
Interface CommandObserver

All Known Implementing Classes:

CommandObserverList, TraceCommandObserver

public interface CommandObserver

This interface describes the ability to receive a notification just before a token is executed.

Version:

$Revision: 1.2 $

Author:

Gerd Neugebauer

update

public void update(Token token)

This method is meant to be invoked just before a token is expanded.

Parameters:

token - the token to be expanded