Subject: bug#62048: 30.0.50; Non-nil `line-spacing' takes precendence over 'line-height t text property

From: Eli Zaretskii <[email-masked]>
Date: Thu, 09 Mar 2023 08:54:42 +0200

> From: Ihor Radchenko <[email-masked]>
> Cc: [email-masked]
> Date: Wed, 08 Mar 2023 20:39:13 +0000
> 
> The real problem I am trying to solve is scrolling images with large
> heights. C-n/C-p and default scrolling jumps over the whole images as
> they appear on a single line. It is annoying, especially when the image
> is taller than the window height.

That shouldn't happen: if an image is taller than the window, then
C-n/C-p use window-vscroll to scroll the image only partially, at
least as long as line-move-visual is non-nil (which it is by default).