Fixed groupws dispose chain
Fixed groupws dispose chain

darcs-hash:20080217150205-4eba8-d2c4dd78dd51eb76fcd314ba148794508c25e3da.gz

raboof/notion,dkogan/notion.xfttest,p5n/notion,dkogan/notion.xfttest,dkogan/notion.xfttest,p5n/notion,p5n/notion,p5n/notion,dkogan/notion,anoduck/notion,neg-serg/notion,anoduck/notion,knixeur/notion,dkogan/notion,anoduck/notion,knixeur/notion,dkogan/notion,raboof/notion,raboof/notion,neg-serg/notion,p5n/notion,dkogan/notion.xfttest,knixeur/notion,neg-serg/notion,knixeur/notion,anoduck/notion,raboof/notion,anoduck/notion,dkogan/notion,dkogan/notion,knixeur/notion,neg-serg/notion