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Now instead of saying, e.g.
    namebase_if_compiler_lt('ghc','6.9', 'foo-6.8')
you say
    if_compiler_lt('ghc','6.9', namebase('foo-6.8'))

#1384 = Exporting a module that isn't imported doesn't fail

This avoids version numbers of packages being in the output.

Add renamer test (ambiguos occurrence)

rnfail043: skip_if_no_ghci

Add a test for multiple local bindings with TH

Testsuite cleaning.

Add test for decent failure on built-in syntax

Add test that generates strange duplicate error messages with GHC 6.2.

Add a modules test

update expected output

Add test for qualified instance method

Make rnfail037 into a multi-module test.

rnfail034 works, not sure why it was an expected failure

Revamp the testsuite framework.  The previous framework was an
experiment that got a little out of control - a whole new language
with an interpreter written in Haskell was rather heavyweight and left
us with a maintenance problem.

So the new test driver is written in Python.  The downside is that you
need Python to run the testsuite, but we don't think that's too big a
problem since it only affects developers and Python installs pretty
easily onto everything these days.

Highlights:

  - 790 lines of Python, vs. 5300 lines of Haskell + 720 lines of
    <strange made-up language>.

  - the framework supports running tests in various "ways", which should
    catch more bugs.  By default, each test is run in three ways:
    normal, -O, and -O -fasm.  Additionally, if profiling libraries
    have been built, another way (-O -prof -auto-all) is added.  I plan
    to also add a 'GHCi' way.

    Running tests multiple ways has already shown up some new bugs!

  - documentation is in the README file and is somewhat improved.

  - the framework is rather less GHC-specific, and could without much
    difficulty be coaxed into using other compilers.  Most of the
    GHC-specificness is in a separate configuration file (config/ghc).

Things may need a while to settle down.  Expect some unexpected
failures.

Hiding non-existent entity is now an error; add rnfail038

Add a test I had hanging around; maybe merge to branch

Add rnfail035

Test that a qualified name can't be bound in a local binding group.

Currently an expected failure because the error message is slightly
wrong (has a duplicated "in").

Test that using hiding on an unqualified import also hides the qualified name.

Test that hiding works on a qualified import

Add a test to make sure that qualified imports can be restricted to
the specified entities.

Add a test for unqualified imports bringing into scope qualified names.