01-C.htm

Hi Jerry,
 
I agree with you that I don't see the problem that Norbert's talking about
in the ABNF - it looks fine to me - it certainly does NOT allow multiple
periods in the fraction part.
 
I agree that the spec should NOT point at that bogus location for the
normative ABNF.
 
We don't really have any firm ideas what to do with normative adjuncts
(like ABNF or WSDL or whatever) to PWG standards-track specs.
But they certainly do NOT belong in 'Candidates'.
 
Cheers,
- Ira
 

Ira McDonald (Musician / Software Architect)
Blue Roof Music / High North Inc
PO Box 221  Grand Marais, MI  49839
phone: +1-906-494-2434
email: imcdonald@sharplabs.com

-----Original Message-----
From: thrasher@lexmark.com [mailto:thrasher@lexmark.com]
Sent: Tuesday, October 12, 2004 8:57 AM
To: harryl@us.ibm.com; imcdonald@sharplabs.com
Subject: Re: Possible errata in custom media size spec???


Harry, Ira,

I'm not an ABNF expert by any means but I don't see the problem in the spec. that Norbert is talking about.  It looks to me
like both the short-dim and long-dim specifications are exactly the same...???

Here's the text from the MSN Specification:

media-size-self-describing-name =

( class-in "_" size-name "_" short-dim "x" long-dim "in" ) |

( class-mm "_" size-name "_" short-dim "x" long-dim "mm" )

   class-in = "custom" | "na" | "asme" | "roc" | "oe"

   class-mm = "custom" | "iso" | "jis" | "jpn" | "prc" | "om"

   size-name = ( lowalpha | digit ) *( lowalpha | digit | "-" )

   short-dim = dim

   long-dim = dim

   dim = integer-part [fraction-part] | "0" fraction-part

   integer-part = non-zero-digit *digit

   fraction-part = "." *digit non-zero-digit

   lowalpha = "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" |
              "j" | "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" |
              "s" | "t" | "u" | "v" | "w" | "x" | "y" | "z"

   non-zero-digit = "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"

   digit    = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"

However, one thing I did notice that according to the MSN spec. there is supposed to be a "latest" ABNF file at the following URL:

ftp://ftp.pwg.org/pub/pwg/standards/pwg5101-abnf.txt

And that's not the correct URL for a lot of reasons......


JT



----- Forwarded by Jerry Thrasher/Lex/Lexmark on 10/12/2004 08:51 AM -----

"Norbert Schade" <schade@oasissemi.com>

10/03/2004 01:09 PM

       
        To:        <Ron.Bergman@Hitachi-ps.us>, <thrasher@lexmark.com>, <pzehler@crt.xerox.com>
        cc:        
        Subject:        custom media size



Ron and others,

I'm surprised about the ABNF for the custom media size in the Media
Standardized Names spec.

I've noticed that I can specify any number of decimals for the x dimension,
but only 1 decimal for the y dimension.

Is that an oversight or is there some deeper thinking behind it, which I do
not yet see?

I'm dodging away a bit by switching from inch to the smaller mm, but of
course I'm still not perfect.

Regards

Norbert





Norbert Schade

Software Manager

Oasis Semiconductor, Inc.
201 Jones Road
Waltham, MA 02451

USA
tel. 1-781-370-8929
fax. 1-781-370-8990

email: norbert.schade@oasissemi.com