[cvs-nhc98] patch applied (yhc): Add documentation and type signature to isCoreLetRec, so it shows up in the haddock

Fri Aug 3 08:59:36 PDT 2007 Neil Mitchell * Add documentation and type signature to isCoreLetRec, so it shows up in the haddock M ./src/libraries/core/Yhc/Core/RecursiveLet.hs +5