(tibetan-composition-function): Adjusted for the new calling way

(argument changed).  Try font-shape-text if possible.

1 files changed, 6 insertions, 15 deletions

diff --git a/lisp/language/tibet-util.el b/lisp/language/tibet-util.el
index 88f970e5704..5dc948ed90e 100644
--- a/lisp/language/tibet-util.el
+++ b/lisp/language/tibet-util.el
@@ -316,21 +316,12 @@ are decomposed into normal Tibetan character sequences."
     new))
 
 ;;;###autoload
-(defun tibetan-composition-function (pos &optional string)
-  (if string
-      (if auto-compose-current-font
-          (if (eq (string-match "[$(7!0(B-$,1GQ(B]+" pos) pos)
-              (or (font-shape-text 0 (match-end 0) auto-compose-current-font
-                                   string)
-                  pos)))
-    (goto-char pos)
-    (if auto-compose-current-font
-        (if (looking-at "[$(7!0(B-$,1GQ(B]+")
-            (or (font-shape-text pos (match-end 0) auto-compose-current-font)
-                pos)
-          (if (looking-at tibetan-composable-pattern)
-              (prog1 (match-end 0)
-                (tibetan-compose-region pos (match-end 0))))))))
+(defun tibetan-composition-function (from to font-object string)
+  (or (and font-object
+           (font-shape-text from to font-object string))
+      (if string
+          (tibetan-compose-string string)
+        (tibetan-compose-region from to))))
 
 ;;;
 ;;; This variable is used to avoid repeated decomposition.