--- In qalam@yahoogroups.com, "Doug Ewell" <dewell@...> wrote:

> Nicholas Bodley <nbodley at speakeasy dot net> wrote:
>
> > While I'm reluctant to send HTML-formatted e-mail, it does have

the

> > advantage of sub and superscript tags. Being an old-timer and of
> > Official Fogy Age, I hate "in-line" chemical formulae such

as "H2O",

> > but unless one resorts to HTML or distracting markup, one will

look,

> > well, uncaring, maybe?
>
> Being from the Age of Unicode, I can write "H₂O" and bypass this

dilemma

> altogether.

Of course, you do have to ensure that your reader has an appropriate
font installed. My IPA-capable font set up for e-mail doesn't have
numeric subscripts. I'd be baffled if you were talking about an
oxide of nitrogen! Also, what do you do for arbtrary oxides of
Nitrogen - roughly NOx.

Richard.