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Subject: Re: [office] Appendix on Bidi
Daniel, all, thank you very much for your proposal. I have taken this one and the various other e-mails regarding this topic, and some additional explanations I got from my colleague Frank Meies, and have created an BiDi appendix document. The document is located at http://www.oasis-open.org/committees/download.php/18504/06-06-01-bidi-appendix I think it addresses most of the BiDi related comments we received from Egypt, Israel and the UK. I further would like to propose that we include this appendix (or a revised one) into the OpenDocument 1.1 specification. Best regards Michael Daniel Carrera wrote: > Hello, > > I finally got around to writing that appendix about Bi-directional text. > Sorry for the delay. I think this Appendix should be titled: > > Appendix E. Notes on Multilingual Support (Non Normative) > > So the current appendix E (changeset) and F (notes) would be upped by > one letter. This is the text I suggest (mostly copied from Lars' email): > > <appendix> > Heading: Appendix E. Notes on Multilingual Support (Non Normative) > Sub heading: Bidirectional Text > > OpenDocuemnt has full support for bidirectional text (bidi). This is > done through the Unicode standard version 4.0.0 combined with section 15 > of the OpenDocuemnt specification. > > Unicode 4.0.0 specifies, in chapter 15.2 ("Bidirectional Ordering > Controls") and Annex #9 ("The Bidirectional Algorithm") how to embed > right-to-left text in a left-to-right paragraph and vice versa as long > as the base direction of the enclosing paragraph is established. The > base direction is provided by OpenDocument Section 15.5.36, > style:writing-mode attribute. > > For example, to embed an English quotation in the middle of an Arabic > paragraph, the enclosing paragraph could have the style:writing-mode > "rl-tb" and the embed English text could be marked by a LRM (U+200E) > character. > > See also sections 15.2.19, 15.7.8 and 15.8.13. > </appendix> > > Cheers, > Daniel.
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