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Re: LYNX-DEV How to get DJGPP to make sounds

From: David Woolley
Subject: Re: LYNX-DEV How to get DJGPP to make sounds
Date: Sun, 16 Nov 1997 16:43:48 +0000 (GMT)

> BTW, I need this capability to notify the user of input errors.  I've
> modified LYNX to accept a <BEEP> tag that will cause the sound to be

My concern here is that this is a similar capability to BGSOUND, etc.,
which themselves are being discouraged in favour of more general methods -
I think you should look into the standards and see what is being proposed,
rather than create yet another ad hoc element.

> generated.  I've also added an "FKEY=" attribute that you can use to

I think there is a standardisation issue here as well.  I have a feeling
that the world is moving towards using Javascript for this, so it may be
academic, but you really need to consider whether this is the right model,
or whether FKEY should be an element in its own right, or should even be
an indirect reference to an ID on the anchor or input element.

There are also semantic issues; can you have multiple instances of the same
FKEY, but on different forms; if not, is an FKEY live even when the cursor
is outside the relevant FORM, etc.

I don't think this is sufficiently unique to LYNX to make the change without
being in a position to propose it for standardisation; if it is, it should
probably have a LYNX prefix to the name, or one reflecting your (company)

> This is part of commercial project that will use LYNX on a hand-held barcode 
> I don't know if these modifications are of general interest.  If they
> are, I'll be glad to make them available.

Don't forget that you are legally obliged to make them available to your
customers, in source code form, and that they may freely redistribute them
(as freely as the GPL allows).  You might also want to check the patent 
situation if you are selling outside the USA, as things which aren't
patentable as software can still be covered by patents if the equipment can
be interpreted as a hardware device.
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