Am 25.02.2014 um 10:57 schrieb Andrea Valle <valle@di.unito.it>:

Dear list,

I'm rewriting a handbook I wrote with ConTeXt.
While testing typography, I'm recompiling the sources now with Mark IV.
My sources still compile fine with ConTeXt, buyt I'm getting this error with Mark IV.

! You can’t use ‘\end’ in internal vertical mode

Can anyone shed some light?

Without more information I can only guess what the problem is.

One possibility is that you have product, component or TeXpage environment
used inside of \framed or a framed text environment. Another possibility is a forgotten
\start command of one the previous mentioned environments.

Wolfgang

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