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fontforge-1.0-1.20120731.9.mga5.x86_64.rpm

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  <TITLE>Cidmap files</TITLE>
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<H1 ALIGN=Center>
  Cidmap files
</H1>
<P>
These are FontForge's own files which it uses to map from CIDs in one
Registry-Ordering-Supplement to unicode code points.
<P>
Cidmap files generally live in $(PREFIX)/share/fontforge (often
/usr/local/share/fontforge or /usr/share/fontforge), though they will also
be found if they are in the directory containing fontforge itself or the
current directory. They are named
&lt;registry&gt;-&lt;Ordering&gt;-&lt;Supplement&gt;.cidmap. So
"Adobe-Japan1-6.cidmap", or "Adobe-CNS1-4.cidmap".
<P>
The first line of the file consists of two numbers, usually the same, which
are the total number of CIDs defined by this ROS.
<P>
Subsequent lines have one of three formats
<UL>
  <LI>
    &lt;cid&gt; &lt;unicode&gt;
  <LI>
    &lt;cid1&gt;..&lt;cid2&gt; &lt;unicode&gt;
  <LI>
    &lt;cid&gt; &lt;postscript-name&gt;
</UL>
<P>
A &lt;cid&gt; is just a decimal number, &lt;unicode&gt; is a hex number,
and &lt;postscript-name&gt; is a PostScript name token preceded by a slash.
<P>
The first few lines of Adobe-Japan1-6.cidmap look like:
<BLOCKQUOTE>
  <PRE>23057 23057
0 /.notdef
1..60 0020
61 00a5
62..92 005d
93 00a6
</PRE>
</BLOCKQUOTE>
<P>
So there are 23057 cids in this ROS. CID 0 is mapped to the postscript name
"/.notdef", cids 1-60 are mapped to space (U+0020), exclam (U+0021), ...,
lbracket (U+005b), CID 61 is mapped to yen (U+00a5), and so forth.
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