comment

Utility/Url.hs

@@ -33,8 +33,12 @@ exists url =
 				_ -> return False
 
 {- Used to download large files, such as the contents of keys.
+ -
  - Uses wget or curl program for its progress bar. (Wget has a better one,
- - so is preferred.) -}
+ - so is preferred.) Which program to use is determined at run time; it
+ - would not be appropriate to test at configure time and build support
+ - for only one in.
+ -}
 download :: URLString -> FilePath -> IO Bool
 download url file = do
 	e <- inPath "wget"