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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:295455 Archived-At: Is it ever valid for face->fontset to be -1? The X font backend doesn't support scaling fonts, so displaying the separator-line face fails to find a font with height 0.1, causing the following part of realize_gui_face to be called: else { face->font = NULL; face->fontset = -1; } leading to face_for_char aborting from face->fontset being -1 later on.