>The lyx support webpages states that one should use Edit -> Text Style -> >Language. However, the option Language doesn't exist under Edit -> Text >Style in Lyx 1.6.5. I tried to find such language options in some other >menus but went nuts trying. I could just ignore the blue underlines but >seeing them makes me so agressive ...
Try Edit -> Text Style -> Customized... And set the language to reset. Which support page says you have to use Edit->Text Style->Language ? (Then we can change it). Vincent