diff options
Diffstat (limited to 'lisp/international/fontset.el')
| -rw-r--r-- | lisp/international/fontset.el | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/lisp/international/fontset.el b/lisp/international/fontset.el index 240def6c035..a2e0838a427 100644 --- a/lisp/international/fontset.el +++ b/lisp/international/fontset.el @@ -816,11 +816,16 @@ (#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 - (if (vectorp (cdr slot)) - (setcdr slot (vconcat (cdr slot) (vector (car math-subgroup)))) - (setcdr slot (vector (cadr slot) (car math-subgroup)))) - (setq slot (list (nth 2 math-subgroup) (car math-subgroup))) + (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" |