Hello, using the latest 2006/1/29 version of i-Installer's ConTeXt package, I get an error message reading ! Missing \endgroup inserted. <inserted text> \endgroup <to be read again> \halign \aligneqalignno ->\prepareeqalignno \halign \ifcase \eqalignmode \or to \dis... <to be read again> x for the very simple input file \starttext \startformula \startalign x \stopalign \stopformula \stoptext. Examples included in core-mat also won't compile. The last i-Installer distribution (don't remember the release date) didn't show this behaviour. Best regards, Sebastian Sturm