undocumented-releases.test

# haskell-src-meta has not documented the 0.8.0.3 release

$$$ rm -rf _tmp
$$$ cabal -v0 unpack -d _tmp haskell-src-meta-0.8.0.2
$$$ cabal -v0 unpack -d _tmp haskell-src-meta-0.8.0.3
$$$ diff _tmp/haskell-src-meta-0.8.0.2/ChangeLog _tmp/haskell-src-meta-0.8.0.3/ChangeLog

$$$ cabal -v0 new-run guess-changelog -- _tmp/haskell-src-meta-0.8.0.2 _tmp/haskell-src-meta-0.8.0.3
>>>2
file ChangeLog has not changed between releases
>>>= 0