Quick summary: RTL inserts in a bi-directional document modify the directionality of brackets following those inserts.
I am using Apache fop-1.1 on Ubuntu 12.04.2 to generate PDF output from XML. File mini.xml: <?xml version='1.0' encoding='UTF-8'?> <data> <notes><br/>[1] RTL insert קום <br/>[2] (parens wrong).<br/>[3] Back to normal because of this RTL insert: בּ .</notes> </data> File mini.fo: <?xml version="1.0" encoding="ISO-8859-1"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format" > <xsl:template match="/"> <fo:root> <fo:layout-master-set> <fo:simple-page-master master-name="myPage"> <fo:region-body /> </fo:simple-page-master> </fo:layout-master-set> <fo:page-sequence master-reference="myPage"> <fo:flow flow-name="xsl-region-body"> <fo:block font-family="FreeSans"> <xsl:apply-templates select="data/notes"/> </fo:block> </fo:flow> </fo:page-sequence> </fo:root> </xsl:template> <xsl:template match="br"> <fo:block></fo:block> </xsl:template> </xsl:stylesheet> File mini-fo.cfg: <fop version="1.0"> <renderers> <renderer mime="application/pdf"> <fonts> <font metrics-url="FreeSans.xml" embed-url="/usr/share/fonts/truetype/freefont/FreeSans.ttf" > <font-triplet name="FreeSans" style="normal" weight="normal"/> </font> </fonts> </renderer> </renderers> </fop> Invocation of fop-1.1: /tmp/fop-1.1/fop -c mini-fo.cfg -xml mini.xml -xsl mini.fo mini.pdf I attach mini.pdf. You can also see its contents by looking at what pdftotext outputs: [1] RTL insert קום ]2[ )parens wrong(. [3] Back to normal because of this RTL insert: ּ. ב (There are some Unicode \u202b (RIGHT-TO-LEFT EMBEDDING) and \u202c (POP DIRECTIONAL FORMATTING) characters in that pdftotext output.) When I use xmlroff instead of fop, the result is correct: [1] RTL insert קום [2] (parens wrong). [3] Back to normal because of this RTL insert: ּ . ב Raphael
mini.pdf
Description: Adobe PDF document
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