This is not a restriction of DocBook. Normally the font-family property in XSL-FO
output is populated with a comma-separated list of fonts, not a single font. The
'body.fontset' internal parameter is used for body text, and it is set in
fo/pagesetup.xsl by combining the body.font.family value and the symbol.font.family
value, as described here:
http://www.sagehill.net/docbookxsl/SpecialChars.html#fontFamilyList
So this should already be working for you. Can you take a peek inside your FO output
and see what the value of the font-family property on fo:root looks like? It should
include your body font and symbol font in the list. If you are overriding the
'body.fontset' parameter, then you may not get a list.
When XEP looks for a character, if it can't find one in the body font, it should then
look in the next font in the list. That is, if
font-selection-strategy="character-by-character" is also set (it is by default, in the
'root.properties' attribute set in param.xsl).
Bob Stayton
Sagehill Enterprises
b...@sagehill.net
----- Original Message -----
From: "Ron Catterall" <r...@catterall.net>
To: "docbook-apps" <docbook-apps@lists.oasis-open.org>
Sent: Saturday, June 05, 2010 8:00 AM
Subject: [docbook-apps] Font problem - need 2 font files in Docbook
Am I missing something or is this a real restriction in Docbook
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 (ȝ) and the logical symbol
implies (⇒ ISOtech suggests using this for 'implies'). (Gentium say that
eventually they will both be included, but not yet.)
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' (⇒) and is built in to Acrobat and
<font-group xml:base="file:/Library/Fonts/" label="TrueType" embed="true">
<font-family name="Cardo">
<font><font-data ttf="Cardo98s.ttf"/></font>
</font-family>
which I embed in the PDF output and which contains 'yogh' (ȝ)
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.
If I reset body.font.family to the Docbook default (eliminating the above
customization) I get the 'implies' (⇒) correctly, but lose the 'yogh'
(ȝ)
I have entities defined and know that the entity file is accessed.
<!ENTITY yogh "ȝ"> <!-- lower case yogh -->
<!ENTITY rArr "⇒"> <!-- rightwards double arrow -->
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.
--
Ron Catterall Ph.D. D.Sc.
r...@catterall.net
http://catterall.net
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