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CHAPTER 5                                                                              Text



Example 5.9

  25 0 obj
     << /Type /Encoding
         /Differences
           [    39 /quotesingle
                96 /grave
               128 /Adieresis /Aring /Ccedilla /Eacute /Ntilde /Odieresis /Udieresis
                   /aacute /agrave /acircumflex /adieresis /atilde /aring /ccedilla
                   /eacute /egrave /ecircumflex /edieresis /iacute /igrave /icircumflex
                   /idieresis /ntilde /oacute /ograve /ocircumflex /odieresis /otilde
                   /uacute /ugrave /ucircumflex /udieresis /dagger /degree /cent
                   /sterling /section /bullet /paragraph /germandbls /registered
                   /copyright /trademark /acute /dieresis
               174 /AE /Oslash
               177 /plusminus
               180 /yen /mu
               187 /ordfeminine /ordmasculine
               190 /ae /oslash /questiondown /exclamdown /logicalnot
               196 /florin
               199 /guillemotleft /guillemotright /ellipsis
               203 /Agrave /Atilde /Otilde /OE /oe /endash /emdash /quotedblleft
                   /quotedblright /quoteleft /quoteright /divide
               216 /ydieresis /Ydieresis /fraction /currency /guilsinglleft /guilsinglright
                   /fi /fl /daggerdbl /periodcentered /quotesinglbase /quotedblbase
                   /perthousand /Acircumflex /Ecircumflex /Aacute /Edieresis /Egrave
                   /Iacute /Icircumflex /Idieresis /Igrave /Oacute /Ocircumflex
               241 /Ograve /Uacute /Ucircumflex /Ugrave /dotlessi /circumflex /tilde
                   /macron /breve /dotaccent /ring /cedilla /hungarumlaut /ogonek
                   /caron
           ]
     >>
  endobj

By convention, the name . notdef can be used to indicate that no character name
is associated with a given character code.


Encodings for Type 1 Fonts

A Type 1 font program’s glyph descriptions are keyed by character names, not by
character codes. Character names are ordinary PDF name objects. Descriptions of
Latin alphabetic characters are normally associated with names consisting of
single letters, such as A or a. Other characters are associated with names com-

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