font-log is a variable defined in `C source code'.
Its value is shown below.

Documentation:
*Logging list of font related actions and results.
The value t means to suppress the logging.
The initial value is set to nil if the environment variable
EMACS_FONT_LOG is set.  Otherwise, it is set to t.

Value: 
((sort-by "-*-normal-normal-normal-*-14-*" "x:-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0")
 (list "-*-muletibetan-2"
       ["-tibmdxa-fixed-medium-r-normal--24-*-72-72-m-240-muletibetan-0" "-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0"])
 (list "-unknown-*-muletibetan-2"
       [])
 (list "-*-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (list "-unknown-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (font\ for
  (3926)
  nil)
 (sort-by "-*-normal-normal-normal-*-14-*" "x:-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0")
 (list "-*-muletibetan-2"
       ["-tibmdxa-fixed-medium-r-normal--24-*-72-72-m-240-muletibetan-0" "-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0"])
 (list "-unknown-*-muletibetan-2"
       [])
 (list "-*-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (list "-unknown-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (font\ for
  (3926)
  nil)
 (sort-by "-*-normal-normal-normal-*-14-*" "x:-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0")
 (list "-*-muletibetan-2"
       ["-tibmdxa-fixed-medium-r-normal--24-*-72-72-m-240-muletibetan-0" "-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0"])
 (list "-unknown-*-muletibetan-2"
       [])
 (list "-*-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (list "-unknown-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (font\ for
  (3926)
  nil)
 (sort-by "-*-normal-normal-normal-*-14-*" "x:-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0")
 (list "-*-muletibetan-2"
       ["-tibmdxa-fixed-medium-r-normal--24-*-72-72-m-240-muletibetan-0" "-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0"])
 (list "-unknown-*-muletibetan-2"
       [])
 (list "-*-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (list "-unknown-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (font\ for
  (3926)
  nil)
 (sort-by "-*-bold-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-bold-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-*-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-extra-light-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-semi-condensed-*-0-iso10646-1"])
 (sort-by "-*-normal-normal-normal-*-14-*" "x:-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0")
 (list "-*-muletibetan-2"
       ["-tibmdxa-fixed-medium-r-normal--24-*-72-72-m-240-muletibetan-0" "-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0"])
 (list "-unknown-*-muletibetan-2"
       [])
 (list "-*-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (list "-unknown-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (font\ for
  (3926)
  nil)
 (sort-by "-*-normal-normal-normal-*-14-*" "x:-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0")
 (list "-*-muletibetan-2"
       ["-tibmdxa-fixed-medium-r-normal--24-*-72-72-m-240-muletibetan-0" "-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0"])
 (list "-unknown-*-muletibetan-2"
       [])
 (list "-*-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (list "-unknown-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (open "-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0" "x:-tibmdxa-fixed-medium-r-normal--16-160-72-72-m-160-muletibetan-0")
 (sort-by "-*-normal-normal-normal-*-14-*" "x:-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0")
 (list "-*-muletibetan-2"
       ["-tibmdxa-fixed-medium-r-normal--24-*-72-72-m-240-muletibetan-0" "-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0"])
 (xfont-list "-*-*-*-*-*-*-*-*-*-*-*-*-muletibetan-0"
	     ("-tibmdxa-fixed-medium-r-normal--24-*-72-72-m-240-muletibetan-0" "-tibmdxa-fixed-medium-r-normal--16-*-72-72-m-160-muletibetan-0"))
 (xfont-list "-*-*-*-*-*-*-*-*-*-*-*-*-muletibetan-2" nil)
 (list "-unknown-*-muletibetan-2"
       [])
 (xfont-list "-unknown-*-*-*-*-*-*-*-*-*-*-*-muletibetan-0" nil)
 (xfont-list "-unknown-*-*-*-*-*-*-*-*-*-*-*-muletibetan-2" nil)
 (list "-*-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (xfont-list "-*-DejaVu Sans Mono-*-*-*-*-*-*-*-*-*-*-muletibetan-0" nil)
 (xfont-list "-*-DejaVu Sans Mono-*-*-*-*-*-*-*-*-*-*-muletibetan-2" nil)
 (list "-unknown-DejaVu Sans Mono-*-muletibetan-2"
       [])
 (xfont-list "-unknown-DejaVu Sans Mono-*-*-*-*-*-*-*-*-*-*-muletibetan-0" nil)
 (xfont-list "-unknown-DejaVu Sans Mono-*-*-*-*-*-*-*-*-*-*-muletibetan-2" nil)
 (list "-*-mtib-*-iso10646-1"
       [])
 (list "-unknown-mtib-*-iso10646-1"
       [])
 (list "-*-mtib-*-iso10646-1"
       [])
 (xfont-list "-*-mtib-*-*-*-*-*-*-*-*-*-*-iso10646-1" nil)
 (ftfont-list "-*-mtib-*-iso10646-1" nil)
 (list "-unknown-mtib-*-iso10646-1"
       [])
 (xfont-list "-unknown-mtib-*-*-*-*-*-*-*-*-*-*-iso10646-1" nil)
 (ftfont-list "-unknown-mtib-*-iso10646-1" nil)
 (list "-*-iso10646-1:otf=tibt"
       [])
 (list "-unknown-*-iso10646-1:otf=tibt"
       [])
 (list "-*-DejaVu Sans Mono-*-iso10646-1:otf=tibt"
       [])
 (list "-unknown-DejaVu Sans Mono-*-iso10646-1:otf=tibt"
       [])
 (list "-*-iso10646-1:otf=tibt"
       [])
 (ftfont-list "-*-iso10646-1:otf=tibt" nil)
 (list "-unknown-*-iso10646-1:otf=tibt"
       [])
 (ftfont-list "-unknown-*-iso10646-1:otf=tibt" nil)
 (list "-*-DejaVu Sans Mono-*-iso10646-1:otf=tibt"
       [])
 (ftfont-list "-*-DejaVu Sans Mono-*-iso10646-1:otf=tibt" nil)
 (list "-unknown-DejaVu Sans Mono-*-iso10646-1:otf=tibt"
       [])
 (ftfont-list "-unknown-DejaVu Sans Mono-*-iso10646-1:otf=tibt" nil)
 (font\ for
  (3926)
  nil)
 (sort-by "-*-normal-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-normal-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1"])
 (sort-by "-*-light-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-extra-light-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-*-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-extra-light-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-semi-condensed-*-0-iso10646-1"])
 (sort-by "-*-normal-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-normal-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1"])
 (open "-unknown-DejaVu Sans-bold-normal-normal-*-0-iso10646-1" "xft:-unknown-DejaVu Sans-bold-normal-normal-*-14-*-0-iso10646-1")
 (sort-by "-*-bold-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-bold-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-*-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-extra-light-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-semi-condensed-*-0-iso10646-1"])
 (sort-by "-*-normal-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-normal-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1"])
 (sort-by "-*-light-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-extra-light-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-*-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-extra-light-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-semi-condensed-*-0-iso10646-1"])
 (sort-by "-*-normal-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-normal-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1"])
 (open "-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1" "xft:-unknown-DejaVu Sans Mono-normal-oblique-normal-*-14-*-m-0-iso10646-1")
 (sort-by "-*-normal-italic-normal-*-14-*" "xft:-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1")
 (list "-unknown-DejaVu Sans Mono-normal-*-normal-*-m-0-iso10646-1"
       ["-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1"])
 (xfont-list "dejavu sans mono-12" nil)
 (xfont-list "-unknown-DejaVu Sans Mono-*-*-*-*-*-*-*-*-m-*-iso10646-1" nil)
 (ftfont-list "-unknown-DejaVu Sans Mono-*-m-*-iso10646-1"
	      ("-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-normal-normal-*-m-0-iso10646-1"))
 (sort-by "-*-normal-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-normal-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1"])
 (open "-unknown-DejaVu Sans-extra-light-normal-normal-*-0-iso10646-1" "xft:-unknown-DejaVu Sans-extra-light-normal-normal-*-14-*-0-iso10646-1")
 (sort-by "-*-light-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-extra-light-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-*-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-extra-light-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-semi-condensed-*-0-iso10646-1"])
 (open "-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "xft:-unknown-DejaVu Sans-normal-normal-normal-*-14-*-0-iso10646-1")
 (sort-by "-*-normal-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1")
 (list "-unknown-Sans Serif-normal-normal-*-iso8859-1"
       ["-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1"])
 (xfont-list "dejavu sans mono-12" nil)
 (xfont-list "-unknown-Sans Serif-*-*-*-*-*-*-*-*-*-*-iso8859-1" nil)
 (ftfont-list "-unknown-Sans Serif-*-iso8859-1"
	      ("-unknown-DejaVu Sans-bold-oblique-semi-condensed-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-oblique-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-semi-condensed-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-oblique-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-bold-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-extra-light-normal-normal-*-0-iso10646-1" "-unknown-DejaVu Sans-normal-oblique-semi-condensed-*-0-iso10646-1"))
 (open "-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1" "xft:-unknown-DejaVu Sans Mono-normal-oblique-normal-*-14-*-m-0-iso10646-1")
 (sort-by "-*-normal-italic-normal-*-14-*" "xft:-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1")
 (list "-unknown-DejaVu Sans Mono-*-iso8859-1"
       ["-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-normal-normal-*-m-0-iso10646-1"])
 (open "-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1" "xft:-unknown-DejaVu Sans Mono-normal-normal-normal-*-14-*-m-0-iso10646-1")
 (sort-by "-*-normal-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1")
 (list "-unknown-DejaVu Sans Mono-*-iso8859-1"
       ["-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-normal-normal-*-m-0-iso10646-1"])
 (xfont-list "dejavu sans mono-12" nil)
 (xfont-list "-unknown-DejaVu Sans Mono-*-*-*-*-*-*-*-*-*-*-iso8859-1" nil)
 (ftfont-list "-unknown-DejaVu Sans Mono-*-iso8859-1"
	      ("-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-normal-normal-*-m-0-iso10646-1"))
 (open "-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1" "xft:-unknown-DejaVu Sans Mono-normal-normal-normal-*-14-*-m-0-iso10646-1")
 (sort-by "-*-normal-normal-normal-*-14-*" "xft:-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1")
 (list "-*-dejavu sans mono-*-iso8859-1"
       ["-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-normal-normal-*-m-0-iso10646-1" "-misc-dejavu sans mono-medium-r-normal--*-0-0-m-0-iso8859-1" "-misc-dejavu sans mono-medium-o-normal--*-0-0-m-0-iso8859-1" "-misc-dejavu sans mono-medium-i-normal--*-0-0-m-0-iso8859-1" "-misc-dejavu sans mono-bold-r-normal--*-0-0-m-0-iso8859-1" "-misc-dejavu sans mono-bold-o-normal--*-0-0-m-0-iso8859-1" "-misc-dejavu sans mono-bold-i-normal--*-0-0-m-0-iso8859-1"])
 (xfont-list "-*-dejavu sans mono-*-*-*-*-*-*-*-*-*-*-iso8859-1"
	     ("-misc-dejavu sans mono-medium-r-normal--*-0-0-m-0-iso8859-1" "-misc-dejavu sans mono-medium-o-normal--*-0-0-m-0-iso8859-1" "-misc-dejavu sans mono-medium-i-normal--*-0-0-m-0-iso8859-1" "-misc-dejavu sans mono-bold-r-normal--*-0-0-m-0-iso8859-1" "-misc-dejavu sans mono-bold-o-normal--*-0-0-m-0-iso8859-1" "-misc-dejavu sans mono-bold-i-normal--*-0-0-m-0-iso8859-1"))
 (ftfont-list "-*-dejavu sans mono-*-iso8859-1"
	      ("-unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-oblique-normal-*-m-0-iso10646-1" "-unknown-DejaVu Sans Mono-bold-normal-normal-*-m-0-iso10646-1")))