BrainVISA

I have some trouble with this "clean" command in the "Session" menu of the VOI module.
What is this command suppose to do?
Close the window?Close the session?
In fact it crash the whole anatomist!
And this either on Unix or Linux version.[/b]

Warning to users :
The content of the output file has changed in the last version.
The post-processing when using this file may be now wrong and have to be adapted.
To developpers : can you please inform the users for these modifications that alter the output files.