[tex-live] Incorrect font metric information in LaTeX circle font
David Kastrup
dak at gnu.org
Thu Apr 30 10:18:56 CEST 2009
Rainer Schöpf <rainer.schoepf at latex-project.org> writes:
> Hi,
>
> the LaTeX test suite uncovered a problem with at least one tfm file, namely
> lcircle10.tfm from the latex-fonts package. For example, character 27 (O 33)
> should have these metrics:
>
> (CHARACTER O 33
> (CHARWD R 2.8)
> (CHARHT R 1.42)
> (CHARDP R 1.38)
> )
>
> (freshly generated by mktextfm a few minutes ago),
>
> but the version in texlive has
>
> (CHARACTER O 33
> (CHARWD R 2.8)
> (CHARHT R 1.4249935)
> (CHARDP R 1.375008)
> )
>
> Note that the baseline is shifted by 0.025pt.
>
> A quick glance over the tftopl output shows the same shift for a lot of the
> characters.
>
> I'd be interested to understand how this happened.
In lcircle.mf, I find
thickness:=ceiling(thickness#*hppp); % the way rules thicknesses are done
% thickness#:=thickness/hppp; % and let thickness# round to right value
% NO, I deleted this BAD line! --- DEK, 9 Jul 87
Maybe this line has snuck back in? It would show something like this
symptom.
--
David Kastrup
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