To make a new Planning Steps, create a new document forking from the current
document.
Make sure that the active position of the history is the end of it, and
the three Notes are exist in the Canvas.
Push the button [Move to past by specified method] in the History console.
The active position of the history will be moved upper.
Push the button [Move to past by specified method] several times, until
the active position reaches the time just before the first Note creation.
Let's make a branch here.
Move the mouse pointer on the background of the History console,
then right-click.
Click the command [Make hidocument fork here].
A rectangle will be displayed in the History console. It indicates that
a fork is on creation.
The dialog [New hidocument] will be displayed.
Type "Split the 'Decision of itinerary and destination' activity into
two activities." into the Comment and click the button [Create].
A new document will be created and the information of the document will
be displayed in the History console.
Click the menu [File] > [Exit] to exit Thought Retriever.