On 11 July 2013, the European Commission released its publication entitled "European higher education in the world."
News from Jul 17, 2013
While only specifically emphasising the mobility and employability gains of multilingualism and underlining the growing significance of English in internationalisation strategies, it also declaress that "mobile students, researchers and teaching staff need specific support for language learning, including the opportunity to learn the local language(s), whether or not this is the language of the study course or research group."
They go on later to say that teaching local languages should be particularly emphasised in cases where individuals are taking classes with English as the medium of instruction.
The Communication is available here. A press release in all 24 official languages can be found here. Additionally, the European University Association (EUA) has made available its commentary on the document here.