[gsnedders]

The EU has a very, very limited right to decompile for the sake of interoperability.

See Article 6 on http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:...

[kuschku]

And for personal modifications, and so on.

And "copying the decompiled source of the part of MS Word that reads .doc files" counts as covered, so, it's quite a lot.

Especially with websites, where you might want to interact with, or write addons interacting with, WASM threatens those rights.