\starttext

\showframe

\startblockquote
    en:\currentlanguage
\stopblockquote

\startblockquote[de]
    de:\currentlanguage
\stopblockquote

\startblockquote[2*middle]
    en:\currentlanguage
\stopblockquote

\startblockquote[nl][2*middle]
    nl:\currentlanguage
\stopblockquote

\stoptext
