Instructions for updating unvis(3) and vis(3).

1) checkout the head of the vendor branch:

	REPO=svn+ssh://svn.freebsd.org/
	svn co $REPO/base/vendor/NetBSD/libc-vis/dist

2) Update (un)vis.[3ch]:

	rm dist/unvis.* dist/vis.*
	export CVSROOT=anoncvs@anoncvs.NetBSD.org:/cvsroot
	cvs export -r HEAD -d dist src/lib/libc/gen/unvis.3
	cvs export -r HEAD -d dist src/lib/libc/gen/unvis.c
	cvs export -r HEAD -d dist src/lib/libc/gen/vis.3
	cvs export -r HEAD -d dist src/lib/libc/gen/vis.c
	cvs export -r HEAD -d dist src/include/vis.h

3) Commit the new versions:

	svn commit -m "Vendor import of NetBSD's (un)vis(3) at `date +%F`" dist
	svn cp -m "Tag `date +%F` import of NetBSD's (un)vis(3)" \
	    ^/vendor/NetBSD/libc-vis/dist \
	    ^/vendor/NetBSD/libc-vis/`date +%Y%m%d`

4) Update the files in src/contrib/libc-pwcache: