Move compose-gstring-for-variation-glyph

It logically belongs in composite.el, not japanese.el

* lisp/language/japanese.el (compose-gstring-for-variation-glyph):
Remove from here.
* lisp/composite.el (compose-gstring-for-variation-glyph): And add here.

1 files changed, 0 insertions, 23 deletions

diff --git a/lisp/language/japanese.el b/lisp/language/japanese.el
index bd8ef6ec857..d9bd42093a0 100644
--- a/lisp/language/japanese.el
+++ b/lisp/language/japanese.el
@@ -264,29 +264,6 @@ eucJP-ms is defined in <http://www.opengroup.or.jp/jvc/cde/appendix.html>."
   (define-translation-table 'unicode-to-jisx0213
     (char-table-extra-slot table 0)))
 
-(defun compose-gstring-for-variation-glyph (gstring _direction)
-  "Compose glyph-string GSTRING for graphic display.
-GSTRING must have two glyphs; the first is a glyph for a han character,
-and the second is a glyph for a variation selector."
-  (let* ((font (lgstring-font gstring))
-         (han (lgstring-char gstring 0))
-         (vs (lgstring-char gstring 1))
-         (glyphs (font-variation-glyphs font han))
-         (g0 (lgstring-glyph gstring 0))
-         (g1 (lgstring-glyph gstring 1)))
-    (catch 'tag
-      (dolist (elt glyphs)
-        (if (= (car elt) vs)
-            (progn
-              (lglyph-set-code g0 (cdr elt))
-              (lglyph-set-from-to g0 (lglyph-from g0) (lglyph-to g1))
-              (lgstring-set-glyph gstring 1 nil)
-              (throw 'tag gstring)))))))
-
-(let ((elt '([".." 1 compose-gstring-for-variation-glyph])))
-  (set-char-table-range composition-function-table '(#xFE00 . #xFE0F) elt)
-  (set-char-table-range composition-function-table '(#xE0100 . #xE01EF) elt))
-
 (provide 'japanese)
 
 ;;; japanese.el ends here