Hi Hans, the \doiftext(else) command gives a wrong result when the checked character comes from a fallback font. \definefontfallback [testfallback] [file:dejavuserif] [greekandcoptic] \definefontsynonym [FallbackTest] [file:lmroman10-regular] [fallbacks=testfallback] \starttext \definedfont[FallbackTest] a α % does the fallback work? \doiftextelse{a}{YES}{NO} \doiftextelse{α}{YES}{NO} \stoptext As a result of this mechanism which use this check like the number renderer in the section command produce wrong output (missing number in the section title). \setuphead [section] [conversion=g] \definefallbackfamily [mainface] [rm] [DejaVu Serif] [range=greekandcoptic] \definefontfamily [mainface] [rm] [Latin Modern Roman] \definefontfamily [mainface] [mm] [Latin Modern Math] \setupbodyfont [mainface] \starttext \placecontent \section{wow} \stoptext Wolfgang