Function: setup-default-fontset
setup-default-fontset is a byte-compiled function defined in
fontset.el.gz.
Signature
(setup-default-fontset)
Documentation
Setup the default fontset.
Source Code
;; Defined in /usr/src/emacs/lisp/international/fontset.el.gz
(defun setup-default-fontset ()
"Setup the default fontset."
(new-fontset
"fontset-default"
`(;; for each script
(latin (nil . "ISO8859-1")
(nil . "ISO8859-2")
(nil . "ISO8859-3")
(nil . "ISO8859-4")
(nil . "ISO8859-9")
(nil . "ISO8859-10")
(nil . "ISO8859-13")
(nil . "ISO8859-14")
(nil . "ISO8859-15")
(nil . "ISO8859-16")
(nil . "VISCII1.1-1")
,(font-spec :registry "iso10646-1" :script 'latin))
(thai ,(font-spec :registry "iso10646-1" :otf '(thai nil nil (mark)))
,(font-spec :registry "iso10646-1" :script 'thai)
(nil . "TIS620*")
(nil . "ISO8859-11"))
(devanagari ,(font-spec :registry "iso10646-1" :otf '(dev2 nil (rphf)))
,(font-spec :registry "iso10646-1" :otf '(deva nil (rphf)))
(nil . "iso10646.indian-1"))
(bengali ,(font-spec :registry "iso10646-1" :otf '(bng2 nil (rphf)))
,(font-spec :registry "iso10646-1" :otf '(beng nil (rphf))))
(gurmukhi ,(font-spec :registry "iso10646-1" :otf '(gur2 nil (blwf)))
,(font-spec :registry "iso10646-1" :otf '(guru nil (blwf))))
(gujarati ,(font-spec :registry "iso10646-1" :otf '(gjr2 nil (rphf)))
,(font-spec :registry "iso10646-1" :otf '(gujr nil (rphf))))
(oriya ,(font-spec :registry "iso10646-1" :otf '(ory2 nil (rphf)))
,(font-spec :registry "iso10646-1" :otf '(orya nil (rphf))))
(tamil ,(font-spec :registry "iso10646-1" :otf '(tml2 nil (akhn)))
,(font-spec :registry "iso10646-1" :otf '(taml nil (akhn))))
(telugu ,(font-spec :registry "iso10646-1" :otf '(tel2 nil (blwf)))
,(font-spec :registry "iso10646-1" :otf '(telu nil (blwf))))
(kannada ,(font-spec :registry "iso10646-1" :otf '(knd2 nil (rphf)))
,(font-spec :registry "iso10646-1" :otf '(knda nil (rphf))))
(sinhala ,(font-spec :registry "iso10646-1" :otf '(sinh nil (akhn))))
(malayalam ,(font-spec :registry "iso10646-1" :otf '(mlm2 nil (akhn)))
,(font-spec :registry "iso10646-1" :otf '(mlym nil (akhn))))
(burmese ,(font-spec :registry "iso10646-1" :otf '(mym2 nil nil))
,(font-spec :registry "iso10646-1" :otf '(mymr nil nil))
,(font-spec :registry "iso10646-1" :script 'burmese))
(lao ,(font-spec :registry "iso10646-1" :otf '(lao\ nil nil (mark)))
,(font-spec :registry "iso10646-1" :script 'lao)
(nil . "MuleLao-1"))
(tai-viet ("TaiViet" . "iso10646-1"))
(greek ,(font-spec :registry "iso10646-1" :script 'greek)
(nil . "ISO8859-7"))
(cyrillic ,(font-spec :registry "iso10646-1" :script 'cyrillic)
(nil . "ISO8859-5")
(nil . "microsoft-cp1251")
(nil . "koi8-r"))
(arabic ,(if (featurep 'android)
;; The Android font driver does not support the
;; detection of OTF tags but all fonts installed on
;; Android with Arabic characters provide shaping
;; information required for displaying Arabic text.
(font-spec :registry "iso10646-1" :script 'arabic)
(font-spec :registry "iso10646-1"
:otf '(arab nil (init medi fina liga))))
(nil . "MuleArabic-0")
(nil . "MuleArabic-1")
(nil . "MuleArabic-2")
(nil . "ISO8859-6"))
(mongolian ,(font-spec :registry "iso10646-1"
:otf '(mong nil (init medi fina isol))))
(hebrew ,(font-spec :registry "iso10646-1" :script 'hebrew)
(nil . "ISO8859-8"))
(khmer ,(if (featurep 'android)
(font-spec :registry "iso10646-1" :script 'khmer)
(font-spec :registry "iso10646-1" :otf '(khmr nil (pres)))))
(kana (nil . "JISX0208*")
(nil . "GB2312.1980-0")
(nil . "KSC5601.1987*")
(nil . "JISX0201*")
(nil . "JISX0213.2000-1")
(nil . "JISX0213.2004-1")
,(font-spec :registry "iso10646-1" :script 'kana))
(bopomofo ,(font-spec :registry "iso10646-1" :script 'bopomofo)
(nil . "sisheng_cwnn-0"))
(han (nil . "GB2312.1980-0")
(nil . "JISX0208*")
(nil . "JISX0212*")
(nil . "big5*")
(nil . "KSC5601.1987*")
(nil . "CNS11643.1992-1")
(nil . "CNS11643.1992-2")
(nil . "CNS11643.1992-3")
(nil . "CNS11643.1992-4")
(nil . "CNS11643.1992-5")
(nil . "CNS11643.1992-6")
(nil . "CNS11643.1992-7")
(nil . "gbk-0")
(nil . "gb18030")
(nil . "JISX0213.2000-1")
(nil . "JISX0213.2000-2")
(nil . "JISX0213.2004-1")
,(font-spec :registry "iso10646-1" :lang 'ja)
,(font-spec :registry "iso10646-1" :lang 'zh)
;; This is required on Android, as otherwise many TrueType
;; fonts with CJK characters but no corresponding ``design
;; language'' declaration can't be found.
,@(and (featurep 'android)
(list (font-spec :registry "iso10646-1" :script 'han))))
(cjk-misc (nil . "GB2312.1980-0")
(nil . "JISX0208*")
(nil . "JISX0212*")
(nil . "big5*")
(nil . "KSC5601.1987*")
(nil . "CNS11643.1992-1")
(nil . "CNS11643.1992-2")
(nil . "CNS11643.1992-3")
(nil . "CNS11643.1992-4")
(nil . "CNS11643.1992-5")
(nil . "CNS11643.1992-6")
(nil . "CNS11643.1992-7")
(nil . "gbk-0")
(nil . "gb18030")
(nil . "JISX0213.2000-1")
(nil . "JISX0213.2000-2")
,(font-spec :registry "iso10646-1" :lang 'ja)
,(font-spec :registry "iso10646-1" :lang 'zh)
;; This is required, as otherwise many TrueType fonts
;; with CJK characters but no corresponding ``design
;; language'' declaration can't be found.
,@(and (featurep 'android)
(list (font-spec :registry "iso10646-1"
:script 'cjk-misc))))
(hangul (nil . "KSC5601.1987-0")
,(font-spec :registry "iso10646-1" :lang 'ko))
;; for each charset
(ascii (nil . "ISO8859-1"))
(arabic-digit ("*" . "MuleArabic-0"))
(arabic-1-column ("*" . "MuleArabic-1"))
(arabic-2-column ("*" . "MuleArabic-2"))
(indian-is13194 (nil . "is13194-devanagari"))
(indian-1-column ("*" . "muleindian-2"))
;; Indian CDAC
(devanagari-cdac (nil . "Devanagari-CDAC"))
(sanskrit-cdac (nil . "Sanskrit-CDAC"))
(bengali-cdac (nil . "Bengali-CDAC"))
(assamese-cdac (nil . "Assamese-CDAC"))
(punjabi-cdac (nil . "Punjabi-CDAC"))
(gujarati-cdac (nil . "Gujarati-CDAC"))
(oriya-cdac (nil . "Oriya-CDAC"))
(tamil-cdac (nil . "Tamil-CDAC"))
(telugu-cdac (nil . "Telugu-CDAC"))
(kannada-cdac (nil . "Kannada-CDAC"))
(malayalam-cdac (nil . "Malayalam-CDAC"))
;; Indian AKRUTI
(devanagari-akruti (nil . "Devanagari-Akruti"))
(bengali-akruti (nil . "Bengali-Akruti"))
(punjabi-akruti (nil . "Punjabi-Akruti"))
(gujarati-akruti (nil . "Gujarati-Akruti"))
(oriya-akruti (nil . "Oriya-Akruti"))
(tamil-akruti (nil . "Tamil-Akruti"))
(telugu-akruti (nil . "Telugu-Akruti"))
(kannada-akruti (nil . "Kannada-Akruti"))
(malayalam-akruti (nil . "Malayalam-Akruti"))
;; Fallback fonts
(nil (nil . "gb2312.1980")
(nil . "gbk-0")
(nil . "gb18030")
(nil . "jisx0208")
(nil . "ksc5601.1987")
(nil . "CNS11643.1992-1")
(nil . "CNS11643.1992-2")
(nil . "CNS11643.1992-3")
(nil . "CNS11643.1992-4")
(nil . "CNS11643.1992-5")
(nil . "CNS11643.1992-6")
(nil . "CNS11643.1992-7")
(nil . "big5")
(nil . "jisx0213.2000-1")
(nil . "jisx0213.2004-1")
(nil . "jisx0212"))
))
;; For simple scripts
(dolist (script '(phonetic
armenian
thaana
syriac
georgian
cherokee
canadian-aboriginal
cham
ogham
runic
tagalog
hanunoo
buhid
tagbanwa
limbu
buginese
balinese
sundanese
batak
lepcha
symbol
braille
coptic
yi
syloti-nagri
rejang
javanese
tai-viet
meetei-mayek
aegean-number
ancient-greek-number
ancient-symbol
phaistos-disc
lycian
carian
old-italic
gothic
ugaritic
old-persian
deseret
shavian
osmanya
osage
vithkuqi
cypriot-syllabary
phoenician
lydian
hanifi-rohingya
yezidi
kharoshthi
manichaean
avestan
chorasmian
elymaic
old-uyghur
brahmi
kaithi
chakma
sharada
grantha
tirhuta
siddham
modi
makasar
kawi
dives-akuru
cuneiform
egyptian
tangsa
bassa-vah
pahawh-hmong
medefaidrin
znamenny-musical-notation
old-turkic
byzantine-musical-symbol
musical-symbol
ancient-greek-musical-notation
kaktovik-numeral
tai-xuan-jing-symbol
counting-rod-numeral
toto
wancho
nag-mundari
mende-kikakui
adlam
tai-tham
indic-siyaq-number
ottoman-siyaq-number
mahjong-tile
domino-tile
emoji
chess-symbol))
(set-fontset-font "fontset-default"
script (font-spec :registry "iso10646-1" :script script)
nil 'append))
;; Special settings for `MATHEMATICAL (U+1D400..U+1D7FF)'.
(dolist (math-subgroup '((#x1D400 #x1D433 mathematical-bold)
(#x1D434 #x1D467 mathematical-italic)
(#x1D468 #x1D49B mathematical-bold-italic)
(#x1D49C #x1D4CF mathematical-script)
(#x1D4D0 #x1D503 mathematical-bold-script)
(#x1D504 #x1D537 mathematical-fraktur)
(#x1D538 #x1D56B mathematical-double-struck)
(#x1D56C #x1D59F mathematical-bold-fraktur)
(#x1D5A0 #x1D5D3 mathematical-sans-serif)
(#x1D5D4 #x1D607 mathematical-sans-serif-bold)
(#x1D608 #x1D63B mathematical-sans-serif-italic)
(#x1D63C #x1D66F mathematical-sans-serif-bold-italic)
(#x1D670 #x1D6A3 mathematical-monospace)
(#x1D6A4 #x1D6A5 mathematical-italic)
(#x1D6A8 #x1D6E1 mathematical-bold)
(#x1D6E2 #x1D71B mathematical-italic)
(#x1D71C #x1D755 mathematical-bold-italic)
(#x1D756 #x1D78F mathematical-sans-serif-bold)
(#x1D790 #x1D7C9 mathematical-sans-serif-bold-italic)
(#x1D7CA #x1D7D7 mathematical-bold)
(#x1D7D8 #x1D7E1 mathematical-double-struck)
(#x1D7E2 #x1D7EB mathematical-sans-serif)
(#x1D7EC #x1D7F5 mathematical-sans-serif-bold)
(#x1D7F6 #x1D7FF mathematical-monospace)))
(let ((slot (assq (nth 2 math-subgroup) script-representative-chars)))
;; Add both ends of each subgroup to help filter out some
;; incomplete fonts, e.g. those that cover MATHEMATICAL SCRIPT
;; CAPITAL glyphs but not MATHEMATICAL SCRIPT SMALL ones.
(if slot
(setcdr slot (append (list (nth 0 math-subgroup)
(nth 1 math-subgroup))
(cdr slot)))
(setq slot (list (nth 2 math-subgroup)
(nth 0 math-subgroup)
(nth 1 math-subgroup)))
(nconc script-representative-chars (list slot))))
(set-fontset-font
"fontset-default"
(cons (car math-subgroup) (nth 1 math-subgroup))
(font-spec :registry "iso10646-1" :script (nth 2 math-subgroup))))
;; Special setup for various symbols and punctuation characters
;; covered well by Symbola, excluding those covered well by popular
;; Unicode fonts. We exclude the latter because users don't like us
;; invading on their font setups where they have good support from
;; other fonts.
(dolist (symbol-subgroup
'((#x2000 . #x2012) ;; General Punctuation
(#x2015 . #x2017)
#x201F
(#x2023 . #x202F)
(#x2031 . #x2038)
(#x203B . #x206F)
(#x2070 . #x209F) ;; Superscripts and Subscripts
(#x20B6 . #x20CF) ;; Currency Symbols
(#x2100 . #x2121) ;; Letterlike Symbols
(#x2123 . #x214F)
(#x2150 . #x215A) ;; Number Forms
(#x215F . #x218F)
(#x2194 . #x21FF) ;; Arrows
(#x2200 . #x2211) ;; Mathematical Operators
(#x2213 . #x2247)
(#x2249 . #x225F)
(#x2261 . #x2263)
(#x2266 . #x22FF)
(#x2300 . #x2301) ;; Miscellaneous Technical
(#x2303 . #x230F)
(#x2311 . #x231F)
(#x2322 . #x23FF)
(#x2400 . #x243F) ;; Control Pictures
(#x2440 . #x245F) ;; Optical Char Recognition
(#x2460 . #x24FF) ;; Enclosed Alphanumerics
(#x25A0 . #x25FF) ;; Geometric Shapes
(#x2600 . #x265F) ;; Miscellaneous Symbols
(#x2661 . #x2662)
#x2664
(#x2667 . #x2669)
(#x266C . #x26FF)
(#x2700 . #x27bF) ;; Dingbats
(#x27C0 . #x27EF) ;; Misc Mathematical Symbols-A
(#x27F0 . #x27FF) ;; Supplemental Arrows-A
(#x2900 . #x297F) ;; Supplemental Arrows-B
(#x2980 . #x29FF) ;; Misc Mathematical Symbols-B
(#x2A00 . #x2AFF) ;; Suppl. Math Operators
(#x2B00 . #x2BFF) ;; Misc Symbols and Arrows
(#x2E00 . #x2E7F) ;; Supplemental Punctuation
(#x4DC0 . #x4DFF) ;; Yijing Hexagram Symbols
(#xFE10 . #xFE1F) ;; Vertical Forms
(#x10100 . #x1013F) ;; Aegean Numbers
(#x10190 . #x101CF) ;; Ancient Symbols
(#x101D0 . #x101FF) ;; Phaistos Disc
(#x102E0 . #x102FF) ;; Coptic Epact Numbers
(#x1D000 . #x1D0FF) ;; Byzantine Musical Symbols
(#x1D200 . #x1D24F) ;; Ancient Greek Musical Notation
(#x1D2E0 . #x1D2FF) ;; Mayan Numerals
(#x1D300 . #x1D35F) ;; Tai Xuan Jing Symbols
(#x1D360 . #x1D37F) ;; Counting Rod Numerals
(#x1F000 . #x1F02F) ;; Mahjong Tiles
(#x1F030 . #x1F09F) ;; Domino Tiles
(#x1F0A0 . #x1F0FF) ;; Playing Cards
(#x1F100 . #x1F1FF) ;; Enclosed Alphanumeric Suppl
(#x1F300 . #x1F5FF) ;; Misc Symbols and Pictographs
(#x1F600 . #x1F64F) ;; Emoticons
(#x1F650 . #x1F67F) ;; Ornamental Dingbats
(#x1F680 . #x1F6FF) ;; Transport and Map Symbols
(#x1F700 . #x1F77F) ;; Alchemical Symbols
(#x1F780 . #x1F7FF) ;; Geometric Shapes Extended
(#x1F800 . #x1F8FF) ;; Supplemental Arrows-C
(#x1F900 . #x1F9FF) ;; Supplemental Symbols and Pictographs
(#x1FA00 . #x1FA6F))) ;; Chess Symbols
(set-fontset-font "fontset-default" symbol-subgroup
'("Symbola" . "iso10646-1") nil 'prepend))
;; Box Drawing and Block Elements
(set-fontset-font "fontset-default" '(#x2500 . #x259F)
'("FreeMono" . "iso10646-1") nil 'prepend)
;; Since standard-fontset-spec on X uses fixed-medium font, which
;; gets mapped to an iso8859-1 variant, we would like to prefer its
;; iso10646-1 variant for symbols, where the coverage is known to be
;; good.
(dolist (symbol-subgroup
'((#x2000 . #x206F) ;; General Punctuation
(#x2070 . #x209F) ;; Superscripts and Subscripts
(#x20A0 . #x20CF) ;; Currency Symbols
(#x2150 . #x218F) ;; Number Forms
(#x2190 . #x21FF) ;; Arrows
(#x2200 . #x22FF) ;; Mathematical Operators
(#x2300 . #x23FF) ;; Miscellaneous Technical
(#x2400 . #x243F) ;; Control Pictures
(#x2440 . #x245F) ;; Optical Char Recognition
(#x2460 . #x24FF) ;; Enclosed Alphanumerics
(#x2500 . #x257F) ;; Box Drawing
(#x2580 . #x259F) ;; Block Elements
(#x25A0 . #x25FF) ;; Geometric Shapes
(#x2600 . #x2689) ;; Miscellaneous Symbols
(#x2700 . #x27bF) ;; Dingbats
(#x27F5 . #x27FF))) ;; Supplemental Arrows-A
(set-fontset-font "fontset-default" symbol-subgroup
"-*-fixed-medium-*-*-*-*-*-*-*-*-*-iso10646-1"
nil 'prepend))
;; This sets up the Emoji codepoints to use prettier fonts:
;; this is fallback, if they don't have color Emoji capabilities...
(set-fontset-font "fontset-default" 'emoji
'("Noto Emoji" . "iso10646-1") nil 'prepend)
;; ...and this is if they do
(set-fontset-font "fontset-default" 'emoji
'("Noto Color Emoji" . "iso10646-1") nil 'prepend)
;; This supports the display of Tamil Supplement characters. As
;; these characters are pretty simple and do not need reordering,
;; ligatures, vowel signs, virama etc., neither tml2 nor other OTF
;; features are needed here.
(set-fontset-font "fontset-default" '(#x11FC0 . #x11FFF)
'("Noto Sans Tamil Supplement" . "iso10646-1") nil 'append)
;; Append CJK fonts for characters other than han, kana, cjk-misc.
;; Append fonts for scripts whose name is also a charset name.
(let* ((data (build-default-fontset-data))
(registries (car data)))
(dolist (target-spec (cdr data))
(let ((target (car target-spec))
(spec (cdr target-spec)))
(if (integerp spec)
(dotimes (i (length registries))
(if (> (logand spec (ash 1 i)) 0)
(set-fontset-font "fontset-default" target
(cons nil (aref registries i))
nil 'append)))
(dolist (args spec)
(set-fontset-font "fontset-default" target
(apply 'font-spec args) nil 'append))))))
;; Append Unicode fonts.
;; This may find fonts with more variants (bold, italic) but which
;; don't cover many characters.
(set-fontset-font "fontset-default" nil
'(nil . "iso10646-1") nil 'prepend)
;; These may find fonts that cover many characters but with fewer
;; variants.
(set-fontset-font "fontset-default" nil
'("gnu-unifont" . "iso10646-1") nil 'prepend)
(set-fontset-font "fontset-default" nil
'("mutt-clearlyu" . "iso10646-1") nil 'prepend)
(set-fontset-font "fontset-default" '(#x20000 . #x2FFFF)
'(nil . "unicode-sip"))
(set-fontset-font "fontset-default" '(#xE000 . #xF8FF)
'(nil . "iso10646-1"))
;; Don't try the fallback fonts even if no suitable font was found
;; by the above font-spec.
(set-fontset-font "fontset-default" '(#xE000 . #xF8FF) nil nil 'append))