Questions tagged [overlays]

an Emacs presentation feature that alters the appearance of a buffer’s text on the screen, without changing the buffer content

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votes
2answers
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What are overlays for, and how do they differ from text properties?

The manual states: You can use overlays to alter the appearance of a buffer's text on the screen, for the sake of presentation features. From its name, it suggests it can be used to create “...
20
votes
2answers
292 views

Display list of words along bottom of frame?

I'd like to display 3 lists of words on separate lines horizontally along the bottom (although top would work too) of every emacs frame I have open. I've thought of 6 ways to do this, and they all ...
9
votes
2answers
626 views

Temporary text in window location with no text to propertize/overlay?

Q: how do I temporarily show text in a window at screen locations with no text to propertize/overlay? I'm familiar with the basic idea behind text properties and overlays (see also this thread), have ...
2
votes
1answer
69 views

Understanding why two apparently different overlay strings are `equal`

I am having trouble understanding why two apparently different overlay strings are equal. The following test results positive -- i.e., t. The colors are different and the :data identification names ...
3
votes
1answer
76 views

Change overlaid text of an outline header?

Q: how do I add a new outline header regexp but change the overlaid text? I often write presentations with Beamer in LaTeX. As such, there are a lot of frame (ie, "slide") environments: \begin{...