Correcting some info on embedding TrueType fonts.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@382336 13f79535-47bb-0310-9956-ffa450edef68

src/documentation/content/xdocs/trunk/fonts.xml

@@ -208,16 +208,14 @@ will produce incorrect results.</td>
           <tr>
             <td>Character Display</td>
             <td>Correct.</td>
-            <td>Correct if and only if the font is embedded in the output. (This is possible
-because, although the underlying characters are encoded incorrectly, the embedded font is
-also encoded incorrectly).</td>
+            <td>Correct, but copy/paste won't work in Acrobat Reader. (FOP currently doesn't emit the /ToUnicode table which is necessary for copy/paste to work.)</td>
+          </tr>
+          <tr>
+            <td>Embedding the Font</td>
+            <td>Optional.</td>
+            <td>Mandatory. Not embedding the font produces invalid PDF documents.</td>
           </tr>
         </table>
-        <warning id="cid-keyed-encoding-ttf">As shown in the above table, regardless of
-whether the font is embedded or not, text generated from a CID-keyed font metrics file
-will <em>never </em>be encoded properly.
-Further, if the related font is not embedded, it cannot even be displayed properly.
-Obviously, this behavior is not desirable, and we hope to correct it in upcoming releases.</warning>
       </section>
       <section id="truetype-collections-metrics">
         <title>TrueType Collections Font Metrics</title>
@@ -255,6 +253,11 @@ It will display all of the font names and exit with an Exception.</p>
         <note>The font is simply embedded into the PDF file, it is not converted.</note>
         <p>Font embedding is enabled in the userconfig.xml file and controlled by the embed-url attribute.
 If you don't specify the embed-url attribute the font will not be embedded, but will only be referenced.</p>
+        <warning>
+          Omitting the embed-url attribute for CID-encoded TrueType fonts will currently produce invalid 
+          PDF files! If you create the XML font metric file using the "-enc ansi" option, you can omit 
+          the embed-url attribute for TrueType fonts but you're restricted to the WinAnsi character set.
+        </warning>
         <p>When FOP embeds a font, it adds a prefix to the fontname to ensure that the name will not match the fontname of an installed font.
 This is helpful with older versions of Acrobat Reader that preferred installed fonts over embedded fonts.</p>
         <p>When embedding PostScript fonts, the entire font is always embedded.</p>
@@ -291,7 +294,7 @@ See <a href="#ttf-encoding">Table of TTF Encoding Options</a> for more details.<
   <x-height>766</x-height>
   [..]]]></source>
         <note>
-          FOP does not currently comply with or support the PDF/A standard.
+          FOP does not currently fully comply with or support the PDF/A standard. There's partial support for PDF/A-1b. This is "work-in-progress".
         </note>
       </section>
     </section>