with-open-file for write: ensure directories are created if necessary and explicitly allow file not to preexist (sbcl quirk?)
with-open-file for write: ensure directories are created if necessary
and explicitly allow file not to preexist (sbcl quirk?)


git-svn-id: 9ecf60ce9baff443e30a0472d3fd222fcb8117cf@4814 7b97033b-253e-4a5c-9b07-e25f9089a9fd

KestrelInstitute/Specware,KestrelInstitute/Specware,KestrelInstitute/Specware,KestrelInstitute/Specware,KestrelInstitute/Specware