(defun completion-table-subvert (table s1 s2)
"Return a completion table from TABLE with S1 replaced by S2.
The result is a completion table which completes strings of the
-form (concat S2 S) in the same way as TABLE completes strings of
-the form (concat S1 S)."
+form (concat S1 S) in the same way as TABLE completes strings of
+the form (concat S2 S)."
(lambda (string pred action)
(let* ((str (if (eq t (compare-strings string 0 (length s1) s1 nil nil
completion-ignore-case))