Re: Height of Unicode chars is not right

[Rusi]

On Tuesday, September 22, 2015 at 10:35:15 PM UTC+5:30, Eli Zaretskii wrote:
> > From: Óscar Fuentes
> > Date: Tue, 22 Sep 2015 18:52:22 +0200
> > 
> > Rusi writes:
> > 
> > > So I guess I need to install some comprehensive unicode font like
> > > adobe source code pro??
> > 
> > It is worth a try (Deja Vu Sans Mono covers a lot too), altough as
> > mentioned on my previous message, Emacs sometimes uses another font when
> > the default one encodes the Unicode char. On a discussion with an Emacs
> > hacker long time ago he mentioned that maybe such font does not correcty
> > report the chars it covers.
> 
> Emacs doesn't open fonts it considers for a given character, to avoid
> a long delay when many fonts are tried (opening a font is expensive).
> Without opening a font, it is impossible to know with 100% certainty
> whether a font that declares coverage of some range of characters
> indeed includes a glyph for each character in that range.
> 
> > On my Emacs v 25.0.50.1 on Kubuntu 15.04, started with -Q and setting
> > the default font to "Source Code Pro" or Consolas, "Ume Mincho" is used
> > for ∀, but with "Deja Vu Sans Mono" as the default font there is no
> > problem.
> 
> Your Emacs has the problem reported by the OP solved, so the fonts you
> use not necessarily will solve his problem with Emacs 24.4.

dejavu sans mono solves it for the ForAll sign but not for the Fraktur L
since that remains in a math font
[And Adobe source code pro shows only boxes]