Re: Form feed characters break odt export

[Christian Moe]

(re-sending to include the list, apologies, recent mu4e ui changes keep
tripping me up)

Ihor Radchenko <yantar92@posteo.net> writes:

> Joseph Turner via "General discussions about Org-mode."
> <emacs-orgmode@gnu.org> writes:
>
>> I can export the following Org content to a .odt file, but the exported
>> file cannot be opened ("Read Error. Format error discovered in the file
>> in sub-document content.xml at 368,2(row,col).")
>>
>> --8<---------------cut here---------------start------------->8---
>> #+TITLE: Foo
>> * Bar
>> Baz
>> 
>> --8<---------------cut here---------------end--------------->8---
>
> Looks like ^L is not allowed in ODT files.
> However, I see no such information on
> http://docs.oasis-open.org/office/v1.2/os/OpenDocument-v1.2-os-part1.html
>
> May somebody check if there is an official list of unsupported
> characters in ODT? Or maybe it is simply a bug in LibreOffice?

I don't think it's specific to ODT or LibreOffice, it's the underlying
XML 1.0 spec that "discourages" control characters and does not include
#xC in the range of characters that XML processors must accept.

Spec: https://www.w3.org/TR/REC-xml/#charsets

Some discussion:
https://stackoverflow.com/questions/404107/why-are-control-characters-illegal-in-xml-1-0

Yours,
Christian