Hello lyx users, I writing my phd thesis, and i have to make this style of equations prémisse ______^____ x=dfdfdfdfdfhh so when editing the equation in math mode, lyx doesn't allow me to type é or \'e in the \mbox{} if i edit the generated tex file i can had the desired accentued caracter like %% LyX 1.1 created this file. For more info, see http://www.lyx.org/. %% Do not edit unless you really know what you are doing. \documentclass{article} \usepackage[T1]{fontenc} \usepackage[latin1]{inputenc} \makeatletter %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% LyX specific LaTeX commands. \providecommand{\LyX}{L\kern-.1667em\lower.25em\hbox{Y}\kern-.125emX\@} \makeatother \begin{document} \[ top^{\mbox{pr\'e misse}}\] or \[ top^{\mbox{prémisse}}\] \end{document} so the question could be resumed : how to type directly accentued caracter in math mode thanks for quick reply... i've got a thesis to write ;-) -- "Y faut liiirrreee, Arlequin, Champion de l'amourrrr" Dany Boon --------------------------------------------------------------- (Yann MORERE mailto:[EMAIL PROTECTED] ) (Doctorant Automatique http://ymorere.multimania.com/ )