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Re: AFM font handling corrected?

From: Han-Wen Nienhuys
Subject: Re: AFM font handling corrected?
Date: Wed, 30 Jul 2003 01:58:05 +0200

address@hidden writes:
> Rune Zedeler wrote:
> >> I just want to make sure if someone has looked at the handling
> >> of AFM font metrics files.
> The problem (afaics) is that lilypond assumes that sizes are given in 
> 1/1000 points whereas they in fact ARE given in 1/1000 ems. (em is 
> defined as the width of "M". Though in the attached file, M has a width 
> of only 916.667 ...?!?!?!)
> Problem is that I don't know (don't understand) - given an afm - how to 
> determine em width.
> Anyone?

IIRC the 1000 in an AFM is relative to either the design size or the
baselineskip of the font. Isn't an em 10pt in cmr10? 


Han-Wen Nienhuys   |   address@hidden   | 

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