[Scribus] Fw: Fw: barcode

[Terence Chan]

If you type in either the full 13-digit ISBN or the first 12 digits
(leaving out the check digit) the numbers on the top and bottom of
the barcode should be the same 13-digit ISBN. If you type in an old
10-digit ISBN, the barcode and the numbers at the bottom correspond
to the new 13-digit format but the printed ISBN on top is still the
10-digit ISBN you typed in.

The problem you report seems like what happens if you type in a
13-digit ISBN but type in the wrong check digit - the barcode will
still be generated correctly, but the printed ISBN on top is just
exactly what you typed in.

Terence

On Tue, 6 Mar 2007, Owen wrote:

> At Tuesday, 6 March 2007, you wrote:
>
> >I can create a 13 digits ISBN barcode, but the last number on the top
> >is different from the last number down.
> >Looking a new italian book, I have seen the 2 ISBN are the same. So, I
> >can't create the same 13 digits ISBN code for both position...
> >
>
> Yes, that last digit is a check digit
>
> <quote>
>
> Today, when a barcode is applied to a book, the 10-digit ISBN has
> to become compatible with the 13-digit EAN international product
> numbering system. This is done by encoding the ISBN into the ?Bookland
> EAN? number. The EAN number is the 13 digit, unhyphenated number
> found on the bar code text block in addition to the ISBN. The bars
> actually refer to the EAN number. The check digit of the ISBN-10
> is dropped (the last digit), the remaining 9 digits are prefixed
> with '978', and a new check digit is calculated. This becomes the
> EAN number.
>
> </quote>
>
>
>
> Owen
>
>
>
>
>
>
> >----Messaggio originale----
> >Da: petr at scribus.info
> >Data: 06/03/2007 7.56
> >A: "Terence Chan"<scribus at nashi.altmuehlnet.de>, "scribus at nashi.
> >altmuehlnet.de"<scribus at nashi.altmuehlnet.de>
> >Ogg: Re: [Scribus] Fw:  barcode
> >
> >> >From 1 Jan 2007, you should only use 13-digit ISBNs. Select ISBN
> >> in the barcode generator then type in the ISBN-13 (with dashes).
> >> This will generate a barcode with "ISBN xxx-xx..." printed on top
> >> of the barcode. I believe the new ISBN-13 is the same format as EAN-
> >13
> >> so choosing EAN-13 will generate the same barcode but the ISBN
> >> won't be printed on top.
> >
> >12 or 13 digits with dashes. The legacy ISBN-10 format accepts 9 or 10
> >digits with dashes, but this standard was depreciated for public use
> >after
> >1st January 2007. (Note: To convert an old ISBN-10 to a new ISBN-13,
> >prefix
> >978- to the first 9 digits, e.g. 1-56592-479-7 -> 978-1-56592-479. The
> >final
> >check-digit will be calculated automatically.)
> >
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> --
> Owen
>
>
>
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