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Re: [ft] Type1 header format checking

From: Werner LEMBERG
Subject: Re: [ft] Type1 header format checking
Date: Thu, 01 Jun 2017 07:21:17 +0200 (CEST)

> What i understand till now is that every type 1 postscript font file
> starts with some text like "%!PS-AdobeFont" which has length 14
> characters.

This is specified in the `black book'; the ID strings can be either
`%!FontType1-1.0' or `%!PS-AdobeFont-1.0' (the latter identifies a
PostScript resource).

> Is there any documentation about these functions as i am unable to
> track them and know what they are actually doing? 2) if i am wrong
> than how is this, checking header format part working in Type1
> driver.

The PFB format is documented in Adobe Technote #5040.

Note that #5040 also defines `PFA'; however, this is not used today.
Instead, a PFA is simply a PostScript resource where the eexec part is
ASCII encoded instead of binary.


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