[ Thanks to Chao-Kuei
Hung for this link. ]
“This title sounds like a silly question. Open file
formats serve everybody (except the monopolist), free software
users and proprietary software users alike. Free software typically
supports open file formats by default, and then maybe also some
popular proprietary file format by necessity. Is there ever a
situation where supporting/writing free software hurts open file
format?“Indeed there might just be one very interesting example: the
docx plugin for firefox. I will leave the debate as to whether MS
PL counts as a free software licnese to the lawyers (or
philosophers). What I would like to point out is, whether this
license is free enough, this particular piece of software is
hurting us.”