Thorsten Hirsch wrote: >> \hyphenation{LDAP} >> in preamble. > > But this one did not work.
\hyphenation in the preamble does not work if you use babel. You have to do it like this: \usepackage{babel} \hyphenation{LDAP} See http://bugzilla.lyx.org/show_bug.cgi?id=1503 for more details. Georg