I think the point is another: TeXmacs is a structured editor so you work a bit differently wrt to a standard ASCII editor and if you try to force your previous

I think the point is another: TeXmacs is a structured editor so you work a bit differently wrt to a standard ASCII editor and if you try to force your previous workflow on it it will feel clumsy. Is a radically different sofware which requires some time to be understood and appreciated (I know because it happened to me). Give it a try when you have some time to spend. Working in a WYSIWYG environment, especially when doing math, means that you can really do things differently, for example do computations or research direclty on the screen, or take directly notes from a seminar in a form which will be as good as it can get. I'm an experienced LaTeX user and currently I touch LaTeX code only when I have to send document to editors for typesetting.