2014-05-27 Glenn Morris <rgm@gnu.org>
+ * minibuffer.el (completion-in-region-functions, completion-in-region)
+ (completion--in-region): Doc fixes.
+
* abbrev.el (abbrev-expand-functions, abbrev-expand-function)
(expand-abbrev, abbrev--default-expand): Doc fixes.
(exit-minibuffer))
(defvar completion-in-region-functions nil
- "Wrapper hook around `completion-in-region'.")
+ "Wrapper hook around `completion--in-region'.")
(make-obsolete-variable 'completion-in-region-functions
'completion-in-region-function "24.4")
(defvar completion-in-region-function #'completion--in-region
"Function to perform the job of `completion-in-region'.
The function is called with 4 arguments: START END COLLECTION PREDICATE.
-The arguments and expected return value are like the ones of
+The arguments and expected return value are as specified for
`completion-in-region'.")
(defvar completion-in-region--data nil)
(defun completion-in-region (start end collection &optional predicate)
"Complete the text between START and END using COLLECTION.
-Return nil if there is no valid completion, else t.
Point needs to be somewhere between START and END.
-PREDICATE (a function called with no arguments) says when to
-exit."
+PREDICATE (a function called with no arguments) says when to exit.
+This calls the function that `completion-in-region-function' specifies
+\(passing the same four arguments that it received) to do the work,
+and returns whatever it does. The return value should be nil
+if there was no valid completion, else t."
(cl-assert (<= start (point)) (<= (point) end))
(funcall completion-in-region-function start end collection predicate))
:version "22.1")
(defun completion--in-region (start end collection &optional predicate)
+ "Default function to use for `completion-in-region-function'.
+Its arguments and return value are as specified for `completion-in-region'.
+This respects the wrapper hook `completion-in-region-functions'."
(with-wrapper-hook
;; FIXME: Maybe we should use this hook to provide a "display
;; completions" operation as well.