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Re: [O] ODT Charset/Encoding issues (was question about ODT export behav

From: Renzo Been
Subject: Re: [O] ODT Charset/Encoding issues (was question about ODT export behavior)
Date: Sun, 17 Jul 2011 16:12:09 +0200

Hi Jambunathan,

See comments below.

P.S. I'm on a camping-site right now, so I do not have good Internet access...

On 16 July 2011 22:13, Jambunathan K <address@hidden> wrote:
> Renzo
>> I just want to add one point that I did not find in the org-manual.  I tested
>> some of my org-files and exported them to the OpenOffice format. When I 
>> tried to
>> open these documents in OpenOffice, they were corrupt and could not be 
>> opened.
>> I soon found out why. If you want to export an org-mode file to .odt, you 
>> need
>> to explicitly set the file encoding to UTF-8 (I usually use iso-8859-1 
>> encoding
>> for my files), like:
>> #-*- mode: org; coding: utf-8; -*-
>> After that OpenOffice could open the files without any problems.
> I use English for communication and I have to admit that I have zero
> understanding of things like character sets, encodings etc.

As for communicating; I'm from the border regions of The Netherlands, Belgium
and Germany... And therefore I'm multilingual, and often need to type words
with accents.

> Thanks for the above note. I surely see is a bug but my poor
> understanding prevents me from quantifying it further.

Well... I would not really see it as a bug... As long as it is mentioned in the
documentation, that org-file encoding's other then utf-8 could result in corrupt

> Could you please send me a minimal iso-8859-1 test.org file and the
> associated corrupted test.odt file? I will look in to this issue.

See attachment. I can only send you the org file, because I do not have access
to a working Emacs at the moment...

> 1. Do you have any specific requirement on how the component xml files
>   be encoded? A cursory look at the odt exporter suggests that it could
>   actually be emitting xml files in iso-8859-1 format while wrongly
>   claiming UTF-8 encoding as below
> --8<---------------cut here---------------start------------->8---
> <?xml version="1.0" encoding="UTF-8"?>
> --8<---------------cut here---------------end--------------->8---
> 2. Should the xml file be always ejected in UTF-8 irrespective of how
>   the original Org file is encoded.

Yes that would seem a good solution to me... If the odt-exporter checks the
files encoding, and then changes the encoding to utf-8 (maybe using a temporary
buffer?) before the actual exporting, then there would be no further

As for the idea that the OpenOffice xml can actually be in another encoding
than utf-8; I do not know how much work that would be for you, to implement in
the odt-exporter. It might be to much effort...
Also I don't know if such an OpenOffice document will open with no problems in
all OpenOffice applications.

> [Notes to Self]
> [Notes from odbook]
> Para 3 of http://books.evc-cit.info/odbook/apa.html#appc-11-fm2xml
> says
> --8<---------------cut here---------------start------------->8---
> OpenDocument files are always encoded in UTF-8.
> --8<---------------cut here---------------end--------------->8---
> Para 2 of
> http://books.evc-cit.info/odbook/apa.html#xml-other-char-encodings-section
> says
> --8<---------------cut here---------------start------------->8---
> XML 1.0 allows a document to be encoded in any character set registered
> with the Internet Assigned Numbers Authority (IANA). European documents
> are commonly encoded in one of the ISO Latin character sets, such as
> ISO-8859-1. Japanese documents commonly use Shift-JIS, and Chinese
> documents use GB2312 and Big 5.
> --8<---------------cut here---------------end--------------->8---
> Para 4 of
> http://books.evc-cit.info/odbook/apa.html#xml-other-char-encodings-section
> says
> --8<---------------cut here---------------start------------->8---
> XML processors are not required by the XML 1.0 specification to support
> any more than UTF-8 and UTF-16, but most commonly support other
> encodings, such as US-ASCII and ISO-8859-1.
> --8<---------------cut here---------------end--------------->8---
> [Notes from XMLmind XSL-FO Converter]
> XFC supports outputting of content.xml and styles.xml in UTF-8 as well
> as ISO-8859-1.
> http://xml.web.cern.ch/XML/www.xmlmind.com/xfc_perso_java-4_4_0/doc/user/command_line_java.html
> says
> ,---- [see outputEncoding section]
> | For OpenDocument output (.odt), this option specifies the encoding of
> | XML content (files styles.xml and content.xml) in the output
> | document. All encodings available in the current JVM are supported. The
> | option value may be either the encoding name (e.g. ISO8859_1) or the
> | charset name (e.g. ISO-8859-1). The default value is UTF8.
> `----
> --

Attachment: test-encoding.zip
Description: Zip archive

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