From: Ryan <rct@thompsonclan.org>
Date: Fri, 19 May 2017 15:07:57 +0000 (-0400)
Subject: Fix ido-enable-dot-prefix for empty choice (Bug#26997)
X-Git-Tag: emacs-26.0.90~521^2~333
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=f422b46eb1d3c62c912ee0806486d017f5153e54;p=emacs.git

Fix ido-enable-dot-prefix for empty choice (Bug#26997)

* lisp/ido.el (ido-set-matches-1): Only check first character of
item if it's non-empty.

Copyright-paperwork-exempt: yes
---

diff --git a/lisp/ido.el b/lisp/ido.el
index 1393d3b7107..07a5bcf7229 100644
--- a/lisp/ido.el
+++ b/lisp/ido.el
@@ -3802,9 +3802,10 @@ frame, rather than all frames, regardless of value of `ido-all-frames'."
          (lambda (item)
            (let ((name (ido-name item)))
 	     (if (and (or non-prefix-dot
-			  (if (= (aref ido-text 0) ?.)
-			      (= (aref name 0) ?.)
-			    (/= (aref name 0) ?.)))
+                          (and (> (length name) 0)
+                               (if (= (aref ido-text 0) ?.)
+                                   (= (aref name 0) ?.)
+                                 (/= (aref name 0) ?.))))
 		      (string-match re name))
 		 (cond
 		  ((and (eq ido-cur-item 'buffer)