A long time ago, I did a short foray into the world of WordStar files, and the Wordstar format was relatively simple to parse :

The format was mostly plain ASCII and special sequences (like font changes) were embedded into it via a special marker (0x27), the length of the special sequence, the sequence, again the length and the marker again (so you could skip it coming from both sides.

But, as this was when I was a young lad of fourteen years, many winters ago, my memory has become hazy.

If you have Unix programs available, you could simply run strings -1 <file to see what you get out of this via brute force.

perl -MHTTP::Daemon -MHTTP::Response -MLWP::Simple -e ' ;    # The  
$d = new HTTP::Daemon and fork and getprint $d->url and exit;#spider
($c = $d->accept())->get_request(); $c->send_response( new   #in the
HTTP::Response(200,$_,$_,qq(Just another Perl hacker\n))); ' #  web
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