Timesheet Tasks display option in Preferences

Question
I have selected the option :
"Automatically display tasks for which the selected week is within the start and finish dates for the task"
From Preferences - Planning and Time sheet units, however I see tasks that has planned dates that are outside the selected week. Is this normal ?

Answer
By design, the option :
"Automatically display tasks for which the selected week is within the start and finish dates for the task"
checks both Planned dates and Forecast dates.