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From Vincent Hennebert <vhenneb...@gmail.com>
Subject PSProcSets: purpose of /cw definition in F procedure?
Date Fri, 11 Jun 2010 17:22:21 GMT

The XML Graphics PostScript ProcSet contains the following definition:
/F {
  /Tp exch def
  /Tf exch def
  Tf findfont Tp scalefont setfont
  /cf Tf def  /cs Tp def  /cw ( ) stringwidth pop def
} bd

The definition of /cw will work only if the font uses a single-byte
encoding (in which the space character is actually encoded on byte
number 32). Composite fonts use a more complex encoding.

The question is: what purpose does this /cw serve? I did a grep in the
whole XML Graphics and FOP codebase and AFAICT it’s not being used
anywhere. Can we get rid of it?


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