build fix for upcoming ghc-7.2
I wrote something like () <- " some text " to avoid a compiler warning, and suddenly got a _|_ error message. It took me a long time to track it down, and I'm even familiar with the internal of blaze-html. I think it would be very confusing to most users.
Signed-off-by: Sergei Trofimovich <firstname.lastname@example.org>
- Leaf elements could cause it to ignore trailing elements