One of the most studied forms of multilingual language use is "code-switching," the use of more than one language within a speech exchange. Some forms of code-switching may also be regarded as instances of "translation," but the relation between these notions in studies of multilingual discourse remains underspecified. The…

This article serves as an introduction to a collection of four articles on multilingual practices in speech and writing, exploring both contemporary and historical sources. It not only introduces the articles but also discusses the scope and definitions of code-switching, attitudes towards multilingual interaction and, most pertinently, the…