Re: Increase default `line-spacing' to 0.05, 0.10 or 0.15 [proposal]

[Eli Zaretskii]

> From: Daniele Nicolodi <daniele@grinta.net>
> Date: Thu, 6 May 2021 18:57:46 +0200
> 
> I didn't look at the code, but I don't think this is true: on my Emacs,
> lines containing only "." or containing only "l" have exactly the same
> height, as I would expect.

You assume that the metrics of these two glyphs are different in
monospaced fonts?

> Also, lines containing only a new line character (thus no printable
> characters) still have the same height as lines with content, as
> expected.

Newline leaves no glyphs on display, so their metrics cannot be
calculated from the font.

> Are you sure Emacs does not consider the maximum ascent and descent of
> each _font_ contained in a line and not of each _glyph_?

Why do you think there's a difference?