END-OF-FRAME, once again..

[Virgil Arrington]

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


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From: Virgil Arrington<mailto:cuyfalls at hotmail.com>
Sent: Wednesday, October 27, 2021 9:24 AM
To: UD K<mailto:ehud.kaplan at gmail.com>; lyx-users at lists.lyx.org<mailto:lyx-users at lists.lyx.org>
Subject: RE: END-OF-FRAME, once again..


> On 10/27/21 Ehud wrote:

> On 10/27/21 11:03 AM, Daniel wrote:

> Since both of you replied but didn't directly commented on my suggestion (basically, use increased depth/indentation for stuff that should go on a frame which makes the whole separator machinery unnecessary between frames), I am wondering whether you had any thoughts about it or whether the suggestion isn't clear enough.

> Daniel
  > Daniel,
  > I can only speak for myself.  Since I am not a developer, and know nothing about what is behind the screen of Lyx/Beamer, I assume that there is a (valid?) reason behind the need for an End-Of-Frame, without which, presumably, things will go fall apart.  All I know is that it IS difficult, right now, and --  I suspect-- does not need to be.

  > Ehud Kaplan

I think Ehud may have a point that I had overlooked. My solution to have new frames always begin with a Frame environment assumes that one always wants a Frame title on a slide. If I understand Daniel’s suggestion, I think it assumes that the user always wants some level of nesting of information on a slide.

I suppose there may be times when one just wants a slide without a Frame title. In such a case one needs some end of frame marker other than a Frame title environment. I’ve attached an MWE to demonstrate various ways of creating slides. Not all of these slides would be possible without a separate end-of-frame marker.

I have to keep reminding myself that other users may have needs different from mine and that those needs may require different software solutions.

In an earlier email, I had mentioned the way Markdown does it with a new slide being generated by a slide title Header hashtag (#) as below:

# Slide Title
- Bullet item
           - Nested Bullet item

# A New Slide

But, some Markdown slide generators (such as Landslide or Darkslide) require a separate end-of-frame marker:

# Slide Title
- Bullet item
           - Nested Bullet item
---

# New Frame Title
- And so on…

I had always wondered why Landslide and Darkslide would have a frame separator (---). I had always thought that a new frame title should be sufficient (as it is with Slidy or Ioslides). But, I can how that is only because my slides *always* have titles. For those who don’t want slide Titles (and I’m seeing this more and more), some other way of identifying a new slide is required.

I don’t envy software developers. It must be a bear to try to meet all of the different needs we end users have.

Virgil




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