On 27/10/2021 15:38, Virgil Arrington wrote:
I just happened to notice with my own MWE that the LyX compiler doesn’t count slides that don’t have Frame environment titles.

So, even with the End-of-Frame markers, I’ve noticed two things that make a Frame environment necessary. First, without it, I’m unable to nest subsequent paragraphs on the frame and second, without it, the slide doesn’t get numbered in the presentation.

Virgil

Good idea. I did not consider this before.

However, if you look at the LaTeX source code, you see that the last two are not actually frames, i.e. the content is not in a frame environment. Separators are general, i.e. they do not say what kind of environment they separate. One always needs a frame environment to create a "proper" frame.

Actually, in your case, the separator has only the function that they begin a new paragraph (rather than a new frame). But this can also be achieved by just starting a new line. You can actually remove the last two separators and it will look exactly the same. The frames are only broken at the paragraph breaks.

Furthermore, even if one needs a separator in certain cases, this doesn't mean that the other cases couldn't be better handled without.

Daniel

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