Hi Keita, Ikumi Keita writes: > I don't mind. It doesn't matter to use emacs built-in library to write > code simply. Thanks for your response. > I'd like to ask Paul some questions: > >> Paul Nelson writes: > >>> With the new user option disabled, behavior is instead: >>> >>> - When you enter a preview, it remains visible. The tex code appears >>> below the preview. > > The TeX code appears _to right of_ the preview for inline math > expression for me. Is this a misbehavior? Or does your above sentence > miss this case? This is what I see for inline math with the patch installed. This is with the new custom option set to nil: