Subject:
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Re: Backwards Compatibility (Was Calling all Meta-commands)
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Newsgroups:
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lugnet.cad.dev
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Date:
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Sun, 16 Mar 2003 13:48:57 GMT
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Viewed:
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1991 times
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On Sun, Mar 16, 2003 at 06:22:40AM +0000, Travis Cobbs wrote:
> > Another suggestion Kevin kicked around with me (and I mentioned it to Steve,
> > I forget his rection though), was introducing a new line type specifically
> > for meta-commands. Thoughts on that?
>
> Well, I don't know about other programs, but LDView will throw them in the
> error log, but otherwise ignore them. It would be really easy for me to add
> support for the new type and not throw them in the error log, though.
>
> One downside of a new line type is that I think we would need to wait for
> fairly wide-spread tool support of the new line type before we could
> reasonably make it "official".
besides, if we add a new linetype, we're breaking LDRAW.EXE and
LEDIT.EXE, wouldn't we?
> Come to think of it, the above {META} is somewhat unnecessary. If we're
> going to use braces, then the mere presense of the braces could indicate a
> meta-statement. i.e.:
>
> 0 {MPD-FILE} <filename>
> 0 {NOFILE}
> 0 {FIELD} Author: Travis Cobbs
I think that's a great idea :)
> If non-programmers think the braces make it too difficult to enter by hand,
> I'm comfortable with not having them, and just using 0 META to specify
> meta-commands.
I'm sorry, I can't understand why it's "too difficult" to enter {} by
hand. It's on the standard keyboard. The people who actually edit
stuff by hand have the requirement of knowing how to use a keyboard :)
I mean, when SMTP format was design, you think they were worried that
people will have a hard time typing "@"? *grin*
> > Nevertheless - I do think RIGHT NOW the focus should be on documenting what
> > we have, per Kevin's goals, and LATER we should worry about the future of
> > meta-commands. One thing at a time.
>
> This seems reasonable. However, news threads (including this branch of this
> one) can't really easily be put on hold.
Also, most of us don't really have anything to contribute to the
documentation process - it's up to the program authors to supply the
data. Meanwhile, the community as a whole can consider and design the
future of the format here :)
--
Dan Boger
dan@peeron.com
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