isLanguageTeamMember() covers it. It's a superset of reviewer, translator and coordinator. 
Are you referring to bug https://bugzilla.redhat.com/show_bug.cgi?id=987227 ? It's closed not a bug though. 
----- Original Message -----

> From: "Sean Flanigan" <notifications@github.com>
> To: "zanata/zanata-server" <zanata-server@noreply.github.com>
> Cc: "Patrick Huang" <pahuang@redhat.com>
> Sent: Friday, August 16, 2013 3:51:49 PM
> Subject: Re: [zanata-server] rhbz996388 - reviewer only should be able to
> comment and reject (#130)

> In zanata-war/src/main/resources/security.drl:
> > +  activation-group "permissions"
> > +when
> > +  check: PermissionCheck(action == "review-comment", granted == false)
> > +  authenticatedPerson: HPerson()
> > +  eval(authenticatedPerson != null)
> > +  $project: HProject(
> > +    eval( isUserAllowedAccess($project) )
> > +  )
> > +  $locale: HLocale(
> > +    eval( isLanguageTeamMember($locale))
> > +  )
> > +then
> > +  check.grant();
> > +end
> > +
> > +rule ProjectMaintainerReviewerComment

> Shouldn't there also be a rule that says a project reviewer is allowed to
> perform review-comment actions?

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