+(defun comment-make-bol-ws (len)
+ "Make a white-space string of width LEN for use at BOL.
+When `indent-tabs-mode' is non-nil, tab characters will be used."
+ (if (and indent-tabs-mode (> tab-width 0))
+ (concat (make-string (/ len tab-width) ?\t)
+ (make-string (% len tab-width) ? ))
+ (make-string len ? )))
+