[haskell-platform] #63: Different versions of Haskell Platform should be allowed to co-exist

[haskell-platform]

#63: Different versions of Haskell Platform should be allowed to co-exist
-------------------------------+--------------------------------------------
 Reporter:  refold             |       Owner:  refold  
     Type:  defect             |      Status:  new     
 Priority:  major              |   Milestone:  2009.4.0
Component:  Windows installer  |    Keywords:          
-------------------------------+--------------------------------------------
 Installer should detect when there is an existing HP installation and
 offer the user a choice to either upgrade it, leave it as the default
 installation, or make the new installation the default. This is also
 related to #36 and #46.

-- 
Ticket URL: <http://trac.haskell.org/haskell-platform/ticket/63>
haskell-platform <http://trac.haskell.org/haskell-platform>
The Haskell Platform: a comprehensive and robust collection of Haskell libraries