> (After)
>
> [SL6]$  sudoedit -s /
> usage: sudoedit [-AknS] [-r role] [-t type] [-C num] [-D directory] [-g group] [-h host] [-p prompt]
>                  [-R directory] [-T timeout] [-u user] file ...

FWIW, according to https://urldefense.proofpoint.com/v2/url?u=https-3A__www.sudo.ws_alerts_unescape-5Foverflow.html&d=DwIBaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=TaT111xbxZ7oc5VRNRTuLu4jfaLBZn7aCgUnum5bEz0&s=xCa68GMuTIFuggB_VDuJXJFSoqBv3sktWrByWWwRmm0&e= 
the test is

sudoedit -s '\' `perl -e 'print "A" x 65536'`

greg