Is anyone exporting a filesystem to one (or more) netgroups?

Here is my system: (an HP 380)
NetBSD 1.0_BETA (SANTIAM) #2: Mon Aug  8 23:20:19 PDT 1994
    thorpej@nemesis:/usr/src/sys/arch/hp300/compile/SANTIAM

Here is the filesystem I'm tring to export:
/dev/ccd0c          1079950  168318  857634    16%    /info

Here is /etc/exports:
/info           -maproot=root INST-HPS

Here is the netgroup entry: (All one line...Works on our 700s just fine)
INST-HPS (xanth.CS.ORST.EDU,,) (xanth,,) (mundania.CS.ORST.EDU,,) (mundania,,) (
prism.CS.ORST.EDU,,) (prism,,) (santiam.CS.ORST.EDU,,) (santiam,,) (typhoon.CS.O
RST.EDU,,) (typhoon,,) (fender.CS.ORST.EDU,,) (fender,,) (strat.CS.ORST.EDU,,) (
strat,,) (gibson.CS.ORST.EDU,,) (gibson,,) (lespaul.CS.ORST.EDU,,) (lespaul,,)

...produces the following error:
Aug 10 11:12:16 santiam mountd[29799]: Can't change attributes for /info.
Aug 10 11:12:16 santiam mountd[29799]: Bad exports list line /info  -maproot

...Ok...Remove the -maproot=root...
Aug 10 11:19:26 santiam mountd[29799]: Can't change attributes for /info.
Aug 10 11:19:26 santiam mountd[29799]: Bad exports list line /info  INST-HPS

Well, putting -maproot back and specifying either hostnames or network and mask
works just A-OK...

My application more or less requires the use of netgroups, as there are roughly
several-hundred hosts on about 10 networks that will have access to this 
filesystem...Lots of typing :-)

So, did I miss something?

Later...

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Jason R. Thorpe                thorpej@cs.orst.edu                   754-1554
OSU CS Support                    CSWest Room 12                     737-5567
                           CSOS NetBSD/Symmetry Project

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