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Backwards compatibility: don't defalias special forms

* lisp/org-compat.el (org-condition-case-unless-debug): Do not use
  defalias for special forms, the Emacs 22 byte-compiler does not
  recognize them correctly when compiling macros.  Use a macro instead
  and rely on macro expansion.  That however makes the decision at
  compile time, which should be acceptable in this case since it only
  affects debugging.
Achim Gratz 12 years ago
parent
commit
b63275350f
1 changed files with 5 additions and 4 deletions
  1. 5 4
      lisp/org-compat.el

+ 5 - 4
lisp/org-compat.el

@@ -448,12 +448,13 @@ With two arguments, return floor and remainder of their quotient."
 
 ;; `condition-case-unless-debug' has been introduced in Emacs 24.1
 ;; `condition-case-no-debug' has been introduced in Emacs 23.1
-(defalias 'org-condition-case-unless-debug
+(defmacro org-condition-case-unless-debug (var bodyform &rest handlers)
+  (declare (debug condition-case) (indent 2))
   (or (and (fboundp 'condition-case-unless-debug)
-	   'condition-case-unless-debug)
+	   `(condition-case-unless-debug ,var ,bodyform ,@handlers))
       (and (fboundp 'condition-case-no-debug)
-	   'condition-case-no-debug)
-      'condition-case))
+	   `(condition-case-no-debug ,var ,bodyform ,@handlers))
+      `(condition-case ,var ,bodyform ,@handlers)))
 
 ;;;###autoload
 (defmacro org-check-version ()