bug#30141: (26.0.91; text-pixel dimensions not properly saved by desktop-save-mode sometimes)

[martin rudalics]

> If it's ok, I'd like to always save as pixels when
> `frame-resize-pixelwise' is non-nil rather than skipping the save if
> the pixel size happens to fall on a multiple of text pixel width. It
> would theoretically be a breaking change, but I can't imagine it being
> one that people would be upset about.

We could provide a 'resize-pixelwise' frame parameter which would
assure that saving is done in pixels for the corresponding frame.
Would that help?

martin