I recently changed my Linux distribution (from an old Opensuse 13.1 to Linux Mint 19, which comes with "GNU Emacs 25.2.2 of 2017-09-22, modified by Debian"), and now my very basic theme is not working correctly anymore. My theme file is only this:

(deftheme Labo
  "Created 2017-02-16.")

(custom-theme-set-variables  'Labo
 '(default-frame-alist (quote ((tool-bar-lines . 0) (height . 57)
                               (menu-bar-lines . 1) (width . 82)
                               (vertical-scroll-bars . right)))))

(custom-theme-set-faces  'Labo
 '(default ((t (:height 113 :foundry "1ASC"
                :family "Droid Sans Mono Slashed")))))

(provide-theme 'Labo)

My theme is correctly loaded from .emacs: M-x customize-themes shows it checked. M-x describe-variable default-frame-alist gives the correct value (as defined in the theme). But M-x describe-face default gives:

Family: DejaVu Sans Mono
Foundry: PfEd
Height: 98

However, changing the default face by hand in Customize works, so I guess the "Droid Sans Mono Slashed" font is not the culprit.

I'm far from being an Emacs expert. Maybe a loading order issue? The requested font is a TrueType one, placed in ~/.fonts.

There is no error in Messages. How to debug this? Thanks for your help.

1 Answer 1


I had asked the same question on Usenet group fr.comp.applications.emacs on September, 10. I received an answer by "Joseph Girod" on December, 18 which I translate here

The documentation of custom-theme-set-face states you have to either add a non-nil argument after the font specification to tell "now", that is, apply the font immediately, or call function (custom-theme-recalc-face FACE).

Accordingly, I changed the relevant part of my theme into (the foundry specification was useless)

 '(default ((t (:height 113 :family "Droid Sans Mono Slashed")))
           t ))

and it works as expected.

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