Re: emacs-27 7ec66a5: Document spacing issues with Xft for some fonts

[Robert Pluim]

>>>>> On Tue, 14 Jan 2020 18:00:26 +0200, Eli Zaretskii <address@hidden> said:

    >> From: Robert Pluim <address@hidden>
    >> Date: Tue, 14 Jan 2020 11:45:28 +0100
    >> 
    >> Eli, is it too soon for this?

    Eli> Hmm... soon? no, I don't think so.  I just am not sure this is the
    Eli> best approach.  First, I don't think we have enough data and
    Eli> experience to commit ourselves to remove Xft in Emacs 29, we should
    Eli> first see how painful such a removal will be wrt our users.
    Eli> Therefore, it might be better to turn Cairo ON by default on master,
    Eli> and only use Xft if Cairo is unavailable.  If that proves to be a
    Eli> reliable configuration (i.e., we aren't flooded by complaints about
    Eli> the Cairo problems), then perhaps we will be able to remove Xft in
    Eli> Emacs 29 after all.

Turning on cairo by default I did earlier today in
88efc736f562656efab778d35c32d549ef6270d7 . That automatically ends up
not using Xft if Cairo is detected.

    Eli> WDYT?  If you agree, then instead of mentioning the removal in Emacs
    Eli> 29, I'd prefer saying in NEWS that Xft is not actively maintained and
    Eli> has known problems with some modern fonts, and therefore we recommend
    Eli> against using it, as long as alternatives are available, Cairo being
    Eli> the best one of those.

OK, I can go with that.

Robert