[Groff] bullets render as question marks

[Aaron Davies]

\(bu bullets in man pages are rendering as question marks under
default settings for me

is this expected?

$ grep ^TROFF /etc/man.config
TROFF/usr/bin/groff -Tps -mandoc
$ cat /tmp/t.1
.
.TH "foo" "1" "December 2015" "" ""
.
.SH "NAME"
\fBfoo\fR
.
.SH "SYNOPSIS"
\fBfoo\fR
.
.IP "\(bu" 4
\fB\-\-baz\fR:
.
.IP
Option baz\.
.
$ env - PAGER=cat man /tmp/t.1
foo(1)                                                                  foo(1)



NAME
       foo

SYNOPSIS
       foo

       ?   --baz:

           Option baz.



                                 December 2015                          foo(1)
$
-- 
Aaron Davies
address@hidden