Hello, I tried to \let shortcuts for \startcontentexport and \stopcontentexport, but Ctx run fails. I guess this is a basic misunderstanding, but - why? ---- \unexpanded\def\startcontentexport{\dosingleempty\dostartcontentexport} \def\dostartcontentexport[#1]% {\iffirstargument \edef\contentexportfile{#1}% \else \let\contentexportfile\empty \fi \grabbufferdata[contentexport][startcontentexport][stopcontentexport] } \def\stopcontentexport{% \doifsomething{\contentexportfile}{\savebuffer[list=contentexport,prefix=no,file=\contentexportfile]}% \getbufferdata[contentexport] } \let\bX=\startcontentexport % <---- Use of these two "shortcuts" is not possible, \let\eX=\stopcontentexport % <---- I'm getting : ! TeX capacity exceeded, sorry [input stack size=10000] \starttext A \startcontentexport[t~.out.mkiv] Hello! \startitemize \item Item \stopitemize \stopcontentexport B \bX[t2~.out.mkiv] Ahoj \eX \stoptext ---- HSo how to define "shortcuts" properly? Best regards, Lukas -- Ing. Lukáš Procházka | mailto:LPr@pontex.cz Pontex s. r. o. | mailto:pontex@pontex.cz | http://www.pontex.cz | IDDS:nrpt3sn Bezová 1658 147 14 Praha 4 Mob.: +420 702 033 396