CVS commit: src/share/man/man4

["matthew green" <mrg%netbsd.org@localhost>]

Module Name:    src
Committed By:   mrg
Date:           Wed Sep 13 00:34:48 UTC 2017

Modified Files:
        src/share/man/man4: options.4

Log Message:
note that COMPAT_XX netbsd options enable all forward support as well.
eg, COMPAT_60 enables COMPAT_70 and higher.
document the changes in compat for 4, 5, 6, and 7.
bump date.


To generate a diff of this commit:
cvs rdiff -u -r1.470 -r1.471 src/share/man/man4/options.4

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.