Hello, Thank you very much for the dead keys working again. While I was trying the keys, I found another bug, this time with the ascii tilde character "~", which is displayed as a logical not "¬". I join the output from lyx -dbg key. Not that it is a terrific problem, but had to mention it. Adrien -- Niveau de débogage key Débogage `key' (Gestion des évènements clavier) ... Workarea event: KEYBOARD XLookupBoth ¬ WorkArea: Key is `notsign' [172] WorkArea: Keysym is `notsign' [172] Workarea Diff: 3076304819 KeySym is notsign[172] State is [8208] action first set to [87] meta_fake_bit is [0] action now set to [87] Key [87][notsign] TmpKeysym [172] SelfInsert arg[¬] Workarea event: KEYBOARD XLookupBoth ~ WorkArea: Key is `asciitilde' [126] WorkArea: Keysym is `asciitilde' [126] Workarea Diff: 3176 KeySym is asciitilde[126] State is [8208] action first set to [87] meta_fake_bit is [0] action now set to [87] Key [87][asciitilde] TmpKeysym [172] SelfInsert arg[¬] Running QuitLyX. ... -- --