Add +sort-lines

lisp/acdw.el

@@ -431,5 +431,22 @@ This calls `indent-rigidly' and passes ARG to it."
     (goto-char (line-end-position)))
   (call-interactively #'indent-rigidly))
 
+(defun +sort-lines (reverse beg end)
+  "Sort lines in region, ignoring leading whitespace.
+REVERSE non-nil means descending order; interactively, REVERSE is
+the prefix argument, and BEG and END are the region.  The
+variable `sort-fold-case' determines whether case affects the
+sort order."
+  (interactive "P\nr")
+  (save-excursion
+    (save-restriction
+      (narrow-to-region beg end)
+      (goto-char (point-min))
+      (let ((inhibit-field-text-motion t))
+        (sort-subr reverse
+                   #'forward-line
+                   #'end-of-line
+                   #'beginning-of-line-text)))))
+
 (provide 'acdw)
 ;;; acdw.el ends here