[Scsh-checkins] scsh-0.6/scsh scsh.scm

[Martin Gasbichler <mainzelm@users.sourceforge.net>]

Update of /cvsroot/scsh/scsh-0.6/scsh
In directory usw-pr-cvs1:/tmp/cvs-serv640

Modified Files:
        scsh.scm 
Log Message:
Fixed bug in setenv: #f was not handled as deleting the variable.
Also removed superfluous list-copying before call to alist-update as
this has no side effects.