Re: cairo now default?

[Robert Pluim]

>>>>> On Tue, 28 Jan 2020 15:06:03 -0500, James Cloos <address@hidden> said:

>>>>> "RP" == Robert Pluim <address@hidden> writes:
    RP> Why? Xft and Cairo should have the same font support, apart from
    RP> bitmap fonts. Only people who've messed with font-backend might have
    RP> issues, and there should be not be too many of those.

    James> Are you certasin that the ~/.Xdefaults font syntax remains constant?

    James> Last I looked pango and hb did not grok things like:

    James>   Emacs.Font: CMU Typewriter Text-11.4:dpi=133

    James> and I do not know about:

    James>   Emacs.Font: DejaVu Sans Mono:pixelsize=20

    James> And xft in general also supports things like:

    James>   :pixelsize=20:matrix=0.6875 0.1875 0 1

    James> which better enables matching when using sets of fallback fonts.

    James> PanGo always avoided proper expresiveness and I doubt hb does any
    James> better.

Emacs supports the FontConfig syntax for fonts, which allows all of
those except 'matrix'.

    James> (And recall that I was one of the first to suggest having the equiv 
of
    James> the modern --with-cairo as emacs' default, only to be harshly shot
    James> down.  Like usual, someone else has done it w/o that complaint. :)

No *prior* complaint :-)

Robert