[docbook-apps] Font problem - need 2 font files in Docbook

[Ron Catterall]

Am I missing something or is this a real restriction in Docbook



Using XEP 4.18, in my xep.xml file I have:

      <font-family name="Symbol">
        <font><font-data afm="Symbol.afm"/></font>
      </font-family>

which contains 'implies' (&#x21D2;) and is built in to Acrobat and


      <font-family name="Cardo">
        <font><font-data ttf="Cardo98s.ttf"/></font>
      </font-family>

which I embed in the PDF output and which contains 'yogh' (&#x021D;)

In my Docbook customization file I have:

<xsl:param name="body.font.family" select="'Cardo'" />
<xsl:param name="body.font.size" select="'11pt'" />
<xsl:param name="title.font.family" select="'Cardo'" />
<xsl:param name="footnote.font.size" select="'90%'" />
<xsl:param name="footnote.font.family" select="'Cardo'" />
<xsl:param name="alignment" select="'justify'" />

in the PDF output 'yogh' appears correctly, but 'implies' does not.



I have entities defined and know that the entity file is accessed.

<!ENTITY  yogh "&#x021D;">    <!--   lower case yogh -->
<!ENTITY  rArr "&#x21D2;">    <!-- rightwards double arrow -->




--
Ron Catterall Ph.D. D.Sc.
r...@catterall.net
http://catterall.net

In text body I have two symbols which (as far as I can see) never occur in the same font file - specifically the old english yogh (&#x021D;) and the logical symbol implies (&#x21D2; ISOtech suggests using this for 'implies'). (Gentium say that eventually they will both be included, but not yet.) <font-group xml:base="file:/Library/Fonts/" label="TrueType" embed="true"> If I reset body.font.family to the Docbook default (eliminating the above customization) I get the 'implies' (&#x21D2;) correctly, but lose the 'yogh' (&#x021D;) I cannot see any way in Docbook to change the body.font.family for a single body character, or to specify a secondary body.font.family to be used if a character is not found in the first one.

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