woman.el fails to format ssh manpages

[Glenn Morris]

As per subject, woman fails to format the ssh/scp man pages correctly.
Bold and underlined words (as displayed by standalone man) are missing
from the output, as are paragraph breaks. These are the standard
openssh man pages as distributed with Red Hat 7.3 and 9.0, and a
several months out-of-date Debian testing system.

The *WoMan-Log* buffer contains:

Formatting file /usr/share/man/man1/ssh.1.gz at Thu May 13 23:36:41
2004
  **  Dd September 25, 1999  request ignored!
  **  Dt SSH 1  request ignored!
  **  Os  request ignored!
  **  Sh NAME  request ignored!
  **  Nm ssh  request ignored!
  **  Nd OpenSSH SSH client (remote login program)  request ignored!
  **  Sh SYNOPSIS  request ignored!
  **  Nm ssh  request ignored!
  **  Op Fl l Ar login_name  request ignored!
  **  Ar hostname | address@hidden  request ignored!
  **  Op Ar command  request ignored!
  **  Pp  request ignored!
  **  Nm ssh  request ignored!
  **  Op Fl afgknqstvxACNTX1246  request ignored!
  **  Op Fl b Ar bind_address  request ignored!
  **  Op Fl c Ar cipher_spec  request ignored!
  **  Op Fl e Ar escape_char  request ignored!
  **  Op Fl i Ar identity_file  request ignored!
  **  Op Fl l Ar login_name  request ignored!
  **  Op Fl m Ar mac_spec  request ignored!
  **  Op Fl o Ar option  request ignored!
  **  Op Fl p Ar port  request ignored!
  **  Op Fl F Ar configfile  request ignored!
  **  Oo Fl L Xo  request ignored!
  **  Sm off  request ignored!
  **  Ar port :  request ignored!
  **  Ar host :  request ignored!
  **  Ar hostport  request ignored!
  **  Sm on  request ignored!
  **  Xc  request ignored!
  **  Oc  request ignored!
  **  Oo Fl R Xo  request ignored!
  **  Sm off  request ignored!
  **  Ar port :  request ignored!
  **  Ar host :  request ignored!
  **  Ar hostport  request ignored!


and so on.