I am learning Haskell by reading the book _The Haskell Road to Logic, Maths and Programming_ and by using Hugs98_plus_sep2006 which I have downloaded, built and installed on my AMD 64-bit OpenBSD system. The books says that Hugs will show the prompt 'Prelude>' initially until a script is loaded. The version of Hugs installed on my system shows initially the prompt 'Hugs>' and invoking several functions (primMinInt, primMaxInt, etc.) generate the error message to be undefined. Does Hugs still exhibit the behavior described in the book, or is there a problem with the newly ported Hugs on my system? /home/daf}hugs __ __ __ __ ____ ___ _________________________________________ || || || || || || ||__ Hugs 98: Based on the Haskell 98 standard ||___|| ||__|| ||__|| __|| Copyright (c) 1994-2005 ||---|| ___|| World Wide Web: http://haskell.org/hugs || || Bugs: http://hackage.haskell.org/trac/hugs || || Version: September 2006 _________________________________________ Haskell 98 mode: Restart with command line option -98 to enable extensions Type :? for help Hugs> primMinInt ERROR - Undefined variable "primMinInt" Hugs> primMaxInt ERROR - Undefined variable "primMaxInt" Hugs> :names *prim*Int Hugs.Prelude.primCharToInt Hugs.Prelude.primCmpInt Hugs.Prelude.primDivInt Hugs.Prelude.primEqInt Hugs.Prelude.primIntegerToInt Hugs.Prelude.primMaxInt Hugs.Prelude.primMinInt Hugs.Prelude.primMinusInt Hugs.Prelude.primModInt Hugs.Prelude.primMulInt Hugs.Prelude.primNegInt Hugs.Prelude.primPlusInt Hugs.Prelude.primPmInt Hugs.Prelude.primQrmInt Hugs.Prelude.primQuotInt Hugs.Prelude.primRemInt Hugs.Prelude.primShowsInt (17 names listed) Hugs> primCharToInt 'a' ERROR - Undefined variable "primCharToInt" Hugs> Thanks, Dave Feustel