SimpleWikiDocument & LessonPlan> Print >Print & Close button vanishes when the Print button is clicked.

SimpleWikiDocument & LessonPlan

In the View mode, click print.
A new window will open up.
Here close button and print button will be available.
Once Print button is clicked, the Print button and Close button will get vanished....

User has to referesh that page so as the Print button and close button to reapper.

Confirmed in production site.