dvips: Changing PostScript encodings

 
 6.3.1.2 '-p': Changing PostScript encodings
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 By default, Afm2tfm uses the encoding it finds in the AFM file.  You can
 specify a different PostScript encoding with '-p PS-ENC'.  This makes
 the raw TFM file (the one output by Afm2tfm) have the encoding specified
 in the encoding file PS-ENC.  Any ligature or kern information specified
 in PS-ENC is ignored by Afm2tfm, since ligkern info is always omitted
 from the raw TFM.
 
    If you use this option, you must also arrange to download PS-ENC as
 part of any document that uses this font.  You do this by adding a line
 like the following one to 'psfonts.map' (⇒psfonts.map):
      zpopr Optima "MyEncoding ReEncodeFont" <myenc.enc
 
    Using '-p' is the only way to access characters in a PostScript font
 that are neither encoded in the AFM file nor constructed from other
 characters.  For instance, Adobe's 'Times-Roman' font contains the extra
 characters 'trademark' and 'registered' (among others); these can only
 be accessed through such a PostScript reencoding.
 
    The '8r' base encoding used for the current PostScript font
 distribution does do this reencoding, for precisely this reason.