Function: completion-emacs22-try-completion
completion-emacs22-try-completion is a byte-compiled function defined
in minibuffer.el.gz.
Signature
(completion-emacs22-try-completion STRING TABLE PRED POINT)
Source Code
;; Defined in /usr/src/emacs/lisp/minibuffer.el.gz
(defun completion-emacs22-try-completion (string table pred point)
(let ((suffix (substring string point))
(completion (try-completion (substring string 0 point) table pred)))
(if (not (stringp completion))
completion
;; Merge a trailing / in completion with a / after point.
;; We used to only do it for word completion, but it seems to make
;; sense for all completions.
;; Actually, claiming this feature was part of Emacs-22 completion
;; is pushing it a bit: it was only done in minibuffer-completion-word,
;; which was (by default) not bound during file completion, where such
;; slashes are most likely to occur.
(if (and (not (zerop (length completion)))
(eq ?/ (aref completion (1- (length completion))))
(not (zerop (length suffix)))
(eq ?/ (aref suffix 0)))
;; This leaves point after the / .
(setq suffix (substring suffix 1)))
(cons (concat completion suffix) (length completion)))))