"This document [...] includes both the Haskell 98 Language Report and the Libraries Report, and constitutes the official specification of both. It is not a tutorial on programming in Haskell such as the `Gentle Introduction' [6], and some familiarity with functional languages is assumed."
Specification of the Common Alerting Protocol, whoch hilariously abbreviates to CAP. Apparently it did not occur to the designers that the word "cap" might already have a meaning.