You're right: it *is* font-specific, with different results from one monospaced font to another. In this case, I was able to modify the font with a freeware editor, to get the em.
From: Bill Troop
To: xywrite@xxxxxxxx
Sent: Saturday, February 21, 2015 6:39 AM
Subject: Re: vDosxy & em dashes?
At 20/02/2015 15:12, you wrote:
>Has anyone succeeded in printing an em dash? I can produce it
>on-screen with alt+shift 196, but it prints as a hyphen. Any ideas?
I haven't tried printing yet - - I really must - - but the first
question I would ask is, which font does it happen with and does it
happen with other fonts?