X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fbugs.xml;h=4d79d24268e5e587434f157e41e8559d1ece1dd4;hb=41b9dfa595948df05e3f1370861ec9869ec852bb;hp=ead62535777ade8d3d22875dd8d654722e0648cd;hpb=973ea68765061854376f1ac579a6071cb403635c;p=ghc-hetmet.git diff --git a/docs/users_guide/bugs.xml b/docs/users_guide/bugs.xml index ead6253..4d79d24 100644 --- a/docs/users_guide/bugs.xml +++ b/docs/users_guide/bugs.xml @@ -26,12 +26,6 @@ - The Haskell report specifies that programs may be - written using Unicode. GHC only accepts the ISO-8859-1 - character set at the moment. - - - Certain lexical rules regarding qualified identifiers are slightly different in GHC compared to the Haskell report. When you have @@ -104,14 +98,28 @@ main = do args <- getArgs GHC's typechecker makes all pattern bindings monomorphic by default; this behaviour can be disabled with - . See -XNoMonoPatBinds. See . Module system and interface files - None known. + GHC requires the use of hs-boot + files to cut the recursive loops among mutually recursive modules + as described in . This more of an infelicity + than a bug: the Haskell Report says + (Section 5.7) "Depending on the Haskell + implementation used, separate compilation of mutually + recursive modules may require that imported modules contain + additional information so that they may be referenced before + they are compiled. Explicit type signatures for all exported + values may be necessary to deal with mutual recursion. The + precise details of separate compilation are not defined by + this Report." + + + @@ -183,6 +191,16 @@ checking for duplicates. The reason for this is efficiency, pure and simple. alphabetic by isAlpha. + + + Strings treated as ISO-8859-1 + + + Various library functions, such as putStrLn, + treat Strings as if they were ISO-8859-1 rather than UTF-8. + + + @@ -340,7 +358,7 @@ checking for duplicates. The reason for this is efficiency, pure and simple. the problem would impose an extra overhead on every compilation. So the bug remains un-fixed. There is more background in + url="http://research.microsoft.com/~simonpj/Papers/inlining/"> Secrets of the GHC inliner.