> I'm using Abiword, which recommends using RTF for document exchange
> with non-Abi users. I'm trying to understand whether RTF is an open
> standard. Wikipedia [0] claims that it's proprietary. This article
> [1] points out that it has the same status as PDF. I can't imagine
> that Abi would recommend a non-open standard, and even prefer it to ODF
> (OASIS / XML) [2]. What does it even mean for a file format to be
> open? That the creator can't restrict its use? That the spec has been
> published?
>
> [0] http://en.wikipedia.org/wiki/Rich_Text_Format
> [1] http://www.tkachenko.com/blog/archives/000657.html
> [2] http://www.abisource.com/mailinglists/abiword-dev/2003/Apr/0167.html