[NTG-context] Dubious "checksum mismatch" message on log file

Khaled Hosny khaledhosny at eglug.org
Wed Feb 1 16:51:02 CET 2012

On Wed, Feb 01, 2012 at 03:47:32PM +0100, luigi scarso wrote:
> On Wed, Feb 1, 2012 at 3:15 PM, Ulrike Fischer <news3 at nililand.de> wrote:
> > Am Wed, 1 Feb 2012 10:54:04 +0100 schrieb luigi scarso:
> >
> >> It's not related to MKIV but to luatex.
> >
> > I think it is related to MKIV (or more precisely to the fontloader).
> The message can be reproduced also with luatex --fmt=luatex-plain.fmt
> The font structure has a key checksum, but luatex doesn't use e by
> default is zero
>                 from vf from tfm used value type
> checksum yes     yes          no    number     default: 0
> So maybe font_checksum is zero, and checksum is 32212676346
> (i.e. the opposite that I wrote).

So now that is a question to Taco, if checksum is not used by luatex,
why id there a difference when the font is loaded in the old way (i.e.
no callbacks involved) and when it is loaded define_font callback?


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