Improve online docs for `includes:` field

[cabal.git] / cabal-testsuite / PackageTests / Check / ConfiguredPackage / GHCOptions / GHCSharedOptions / cabal.out

# cabal check
These warnings will likely cause trouble when distributing the package:
Warning: [use-extension] Instead of 'ghc-shared-options: -fglasgow-exts' it is preferable to use the 'extensions' field.