1 files changed, 38 insertions, 0 deletions
diff --git a/site-lisp/indirect.el b/site-lisp/indirect.el
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+++ b/site-lisp/indirect.el
@@ -0,0 +1,38 @@
+;; From http://www.emacswiki.org/cgi-bin/wiki.pl?IndirectBuffers
+
+(defun indirect-buffer ()
+  "Edit stuff in this buffer in an indirect buffer.
+ The indirect buffer can have another major mode."
+  (interactive)
+  (let ((buffer-name (generate-new-buffer-name "*indirect*")))
+    (pop-to-buffer (make-indirect-buffer (current-buffer) buffer-name))))
+
+(defvar indirect-mode-name nil
+  "Mode to set for indirect buffers.")
+(make-variable-buffer-local 'indirect-mode-name)
+
+(defun indirect-region (start end)
+  "Edit the current region in another buffer.
+ If the buffer-local variable `indirect-mode-name' is not set, prompt
+ for mode name to choose for the indirect buffer interactively.
+ Otherwise, use the value of said variable as argument to a funcall."
+  (interactive "r")
+  (let ((buffer-name (generate-new-buffer-name "*indirect*"))
+        (mode
+         (if (not indirect-mode-name)
+             (setq indirect-mode-name
+                   (intern
+                    (completing-read
+                     "Mode (default `org-mode'): "
+                     (mapcar (lambda (e)
+                               (list (symbol-name e)))
+                             (apropos-internal "-mode$" 'commandp))
+                     nil t nil nil "org-mode")))
+           indirect-mode-name)))
+    (pop-to-buffer (make-indirect-buffer (current-buffer) buffer-name))
+    (funcall mode)
+    (narrow-to-region start end)
+    (goto-char (point-min))
+    (shrink-window-if-larger-than-buffer)))
+
+(provide 'indirect)