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bug#44483: 27.1.50; Window parameter `min-margins' doesn't split window
From: |
martin rudalics |
Subject: |
bug#44483: 27.1.50; Window parameter `min-margins' doesn't split window in half |
Date: |
Fri, 6 Nov 2020 19:12:51 +0100 |
> 1. Open any text file, preferably with long lines (to better see the effect).
>
> 2. `M-x visual-line-mode RET`
>
> 3. `M-: (set-window-margins (selected-window) 0 150) RET`
>
> The number 150 is arbitrary. It's appropriate for my case (with a frame width
of
> about 238 characters).
>
> 4. `M-: (set-window-parameter (selected-window) 'min-margins '(0 . 0)) RET`
>
> 5. `C-x 3`
>
> At this point, I expect the window to be split into two equally-sized
> side-by-side windows, but the split is at about one third of the original
window
> width.
The problem is that when we split the original window, the new window
does not get its 'min-margins' parameter set and the subsequent
sanitizing step screws up things. Please try the attached patch.
And please look also into what happens when you shrink a frame with such
large margins to a size that won't accommodate those margins any more
unless they get shrunk. I'm afraid that the subsequent sanitizing step
might cause troubles there as well.
Thanks, martin
joost.diff
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