| | 11 | There is an existing tool that could serve as a basis for the project: |
| | 12 | |
| | 13 | * http://github.com/Tener/haskell-package-vt |
| | 14 | |
| | 15 | It appears to have seen no new development since it was posted in Nov 2009. |
| | 16 | |
| | 17 | A relevant ticket in Haddock: |
| | 18 | |
| | 19 | * [http://trac.haskell.org/haddock/ticket/25 Indicate changed between versions in the documentation] |
| | 20 | |
| | 21 | In general it would be good to consider what other projects need in this area, for example Hoogle, and see whether any universally useful infrastructure could be built. |