Documentation products

The following is supposedly a true story. To be included, besides being true, the story is most likely strange, weird, surprising, or funny.

FrameMaker and Interleaf are competing documentation products. When the spelling checker of FrameMaker 2.

1 encounters the word Interleaf in a document, it flags it as a misspelling. What does it offer as the correct spelling? "FrameMaker"!