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Hi, I just tried the latest beta and run into this error... [..] (C:/tmp/context/tex/texmf-context/tex/context/user/cont-sys.rme (C:/tmp/context/ tex/texmf-context/tex/context/base/type-def.mkiv) (C:/tmp/context/tex/texmf-cont ext/tex/context/base/type-lua.tex) (C:/tmp/context/tex/texmf-context/tex/context /base/type-siz.tex (C:/tmp/context/tex/texmf-context/tex/context/base/type-siz.m kiv)) (C:/tmp/context/tex/texmf-context/tex/context/base/type-otf.tex (C:/tmp/co ntext/tex/texmf-context/tex/context/base/type-otf.mkiv))) system : math.top loaded (math.top) fonts : preloading latin modern fonts !fonts : goodie file 'lm-math.lfg' is not found !define font : font with name LMMath7-Regular is not found !define font : unknown font LMMath7-Regular, loading aborted !define font : unable to define LMMath7-Regular as \*modern7ptmmmr33* !define font : font with name LMMath9-Regular is not found !define font : unknown font LMMath9-Regular, loading aborted !define font : unable to define LMMath9-Regular as \*modern9ptmmmr22* !define font : font with name LMMath12-Regular is not found !define font : unknown font LMMath12-Regular, loading aborted !define font : unable to define LMMath12-Regular as \*modern12ptmmmr11* bodyfont : 12pt rm is loaded language : language en is active {C:/tmp/context/tex/texmf-context/fonts/map/pdftex/context/mkiv-base.map} systems : begin file math at line 1 ! Math error: parameter \Umathquad\displaystyle is not set. l.3 $\downarrow$ ? test is simply \starttext $\downarrow$ \stoptext Peter