When de ning a tool, it is possible to show a dialog to the user, asking for additional arguments, using the $PROMPT(filename) command-macro. The Free Pascal distribution contains some ready-made dialogs, such as a 'grep' dialog, a 'cvs checkout' dialog and a 'cvs check in' dialog. The les for these dialogs are in the binary directory and have an extension .tdf.
In this section, the le format for the dialog description le is explained. The format of this le resembles a windows .INI