GNU bug report logs - #23689
Daemon-mode on Windows - "w32-initialized" is set too early

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Paul Moore <p.f.moore <at> gmail.com>
Cc: 23689 <at> debbugs.gnu.org
Subject: bug#23689: Daemon-mode on Windows - "w32-initialized" is set too early
Date: Wed, 15 Jun 2016 17:55:52 +0300

> From: Paul Moore <p.f.moore <at> gmail.com>
> Date: Wed, 15 Jun 2016 12:11:45 +0100
> Cc: 23689 <at> debbugs.gnu.org
> 
> (create-fontset-from-fontset-spec
> "-*-fixed-medium-r-normal-*-24-*-*-*-*-*-fontset-xxx")
> (set-fontset-font "fontset-xxx" nil "Source Code Pro-14")
> (set-fontset-font "fontset-xxx" nil "DejaVu Sans Mono-14" nil 'append)
> (set-fontset-font "fontset-xxx" nil "Consolas-14" nil 'append)
> (set-fontset-font "fontset-xxx" nil "Courier New-14" nil 'append)
> (setq default-frame-alist '((font . "fontset-xxx") (vertical-scroll-bars)))
> 
> If I then create a new frame, I get the error "Font 'fontset-xxx' is
> not defined".

You cannot define a fontset using the name of a font that doesn't exist
on the system.  The doc string of create-fontset-from-fontset-spec
hints on this:

  When a frame uses the fontset as the ‘font’ parameter, the frame’s
  default font name is derived from FONTSET-NAME by substituting
  "iso8859-1" for the tail part "fontset-XXX".

Since there's no fixed-medium font on Windows, Emacs barfs because the
default font of the frame doesn't exist.

You need instead to start with a name of a font that surely exists on
Windows, like "-*-courier new-normal-r-*-*-13-*-*-*-c-*-fontset-xxx".
Then the above will work as expected.

On Unix, you should probably start with fixed-medium, as you did.  If
you want to do that in platform-independent way, you could look up
"fontset-standard" in the list returned by fontset-list, and chop off
the "fontset-standard" part.

Hmm... which could mean it might be easier for you to just modify the
standard fontset, by adding your fonts as covering the full range of
the characters each one supports.

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