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[xsl] BIDI problem in XSL-FO
Subject: [xsl] BIDI problem in XSL-FO From: "Michael Müller-Hillebrand mmh@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Fri, 29 Apr 2016 18:04:58 -0000 |
Dear experts, The processing done by an FO formatter for right-to-left (RTL) languages is nearly magic, considering what happens if you just set writing-mode="rl-tb" I really enjoy my first project with Arabic text. Interestingly the problem at hand are English words. In the glossary of an RTL document I suddenly have a full paragraph full of latin characters: <fo:block>Brand name (Former name)</fo:block> This is visually rendered like this: (Brand name (Former name I have looked at * Unicode BIDI Processing <http://www.w3.org/TR/xsl/#d0e4879> * Unicode BIDI algorithm <http://www.unicode.org/reports/tr9/> I now understand that there are strong and weak characters. The sequence of strong Latin characters with embedded 'weak' spacing and punctuation is rendered LTR, the closing 'weak' parenthesis is treated as RTL, because this is the default orientation of the paragraph. My first idea is to add <fo:bidi-override direction="ltr"> to each block or maybe only each text node that consist of solely non-Arabic characters. I guess this could be done using a regular expression like not(matches($text, '\p{Arabic}')) Do you have any other recommendations or best practices? Thanks, - Michael [demime 1.01d removed an attachment of type application/pgp-signature which had a name of signature.asc]
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