> Is there a way to make \slashed{}, \Braket{}, \Set{} etc > render also during math-editing and not only when the > math-box is unfocused? > > Example: http://i.imgur.com/Y8xPKEt.png
A workaround for commands like this that are not supported natively in LyX is to wrap them in a math macro. Then you can put something somewhat similar in the "LyX" field, and the true command in the "TeX" field. Here's your example treated this way: http://imgur.com/It2EXg0 Jim