1 files changed, 32 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
index f74e48c4635..f1761c125ac 100644
--- a/lisp/emacs-lisp/bytecomp.el
+++ b/lisp/emacs-lisp/bytecomp.el
@@ -2341,7 +2341,7 @@ list that represents a doc string reference.
 		    (eq (car (car (cdr tail))) 'declare))
 	  (let ((declaration (car (cdr tail))))
 	    (setcdr tail (cdr (cdr tail)))
-	    (princ `(if macro-declaration-function
+	    (prin1 `(if macro-declaration-function
 			(funcall macro-declaration-function
 				 ',name ',declaration))
 		   outbuffer)))))
@@ -3148,6 +3148,9 @@ That command is designed for interactive use only" fn))
 
 ;; more complicated compiler macros
 
+(byte-defop-compiler char-before)
+(byte-defop-compiler backward-char)
+(byte-defop-compiler backward-word)
 (byte-defop-compiler list)
 (byte-defop-compiler concat)
 (byte-defop-compiler fset)
@@ -3159,6 +3162,34 @@ That command is designed for interactive use only" fn))
 (byte-defop-compiler19 (/ byte-quo) byte-compile-quo)
 (byte-defop-compiler19 nconc)
 
+(defun byte-compile-char-before (form)
+  (cond ((= 2 (length form))
+	 (byte-compile-form (list 'char-after (if (numberp (nth 1 form))
+						  (1- (nth 1 form))
+						`(1- ,(nth 1 form))))))
+	((= 1 (length form))
+	 (byte-compile-form '(char-after (1- (point)))))
+	(t (byte-compile-subr-wrong-args form "0-1"))))
+
+;; backward-... ==> forward-... with negated argument.
+(defun byte-compile-backward-char (form)
+  (cond ((= 2 (length form))
+	 (byte-compile-form (list 'forward-char (if (numberp (nth 1 form))
+						    (- (nth 1 form))
+						  `(- ,(nth 1 form))))))
+	((= 1 (length form))
+	 (byte-compile-form '(forward-char -1)))
+	(t (byte-compile-subr-wrong-args form "0-1"))))
+
+(defun byte-compile-backward-word (form)
+  (cond ((= 2 (length form))
+	 (byte-compile-form (list 'forward-word (if (numberp (nth 1 form))
+						    (- (nth 1 form))
+						  `(- ,(nth 1 form))))))
+	((= 1 (length form))
+	 (byte-compile-form '(forward-word -1)))
+	(t (byte-compile-subr-wrong-args form "0-1"))))
+
 (defun byte-compile-list (form)
   (let ((count (length (cdr form))))
     (cond ((= count 0)