Spoiler warning: Significant plot details follow.
Usage[]
Start a spoiler section with {{spoiler}} which gives:
Spoiler warning: Significant plot details follow.
or {{spoiler|the subject of the spoiler}} which gives:
Spoiler warning: Significant plot details about the subject of the spoiler follow.
End the spoiler section with {{endspoiler}} which gives:
Significant plot details end here.