bug#52929: 27.1; Images are sometimes not fully displayed

[martin rudalics]

> Yet, with the snippet as shown below, the thin border around the image
> is not shown at the right margin of the image: You can see that the
> frame appears fully white at the right, whereas all other margins of the
> image (left, top and bottom) do display the very thin black border fully.
>
> If the following line, which is commented out in the snippet, is
> enabled, i.e., if the width is increased by exactly 1 pixel, then also
> the thin border on the right is fully shown:
>
>      (set-frame-width frame (1+ width) nil t)
>
> If possible, I would prefer Emacs to show the image fully also if its
> exact dimensions (202x202) are used for the frame size. Is there a way
> to do this?

Please try with adding a (no-special-glyphs . t) entry to the parameters
of the child frame.

martin