PpHdOn the 2009-07-13 at 08:19pm
Folco (./36) :
Executing 'clean|' results in a protected memory violation... (RC4)

I confirm. In fact, it occurs for clean| anything
It is because clean deletes the handle which was created to handle the pipe.
I don't know how to fix this so let's keep it for 0.82
It is not so bad for the user.