From 605a20ef06b0bae2d2ffd8d96e49c2a297add80a Mon Sep 17 00:00:00 2001
From: Yermo <yml@yml.com>
Date: Sat, 25 Jan 2014 17:39:27 -0500
Subject: Autocomplete: Do not set value on multi-line input

This fixes an issue where contenteditable text was getting overwritten when
wrapping past the bottom or top of the autocomplete menu.

Fixes #9771
Closes gh-1184
---
 tests/unit/autocomplete/autocomplete_core.js | 26 ++++++++++++++++++++++++++
 ui/autocomplete.js                           |  6 +++++-
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/tests/unit/autocomplete/autocomplete_core.js b/tests/unit/autocomplete/autocomplete_core.js
index 961aca400..81d534cb8 100644
--- a/tests/unit/autocomplete/autocomplete_core.js
+++ b/tests/unit/autocomplete/autocomplete_core.js
@@ -163,6 +163,32 @@ test( "allow form submit on enter when menu is not active", function() {
 	}
 })();
 
+asyncTest( "past end of menu in multiline autocomplete", function() {
+	expect( 2 );
+
+	var customVal = "custom value",
+		element = $( "#autocomplete-contenteditable" ).autocomplete({
+			delay: 0,
+			source: [ "javascript" ],
+			focus: function( event, ui ) {
+				equal( ui.item.value, "javascript", "Item gained focus" );
+				$( this ).text( customVal );
+				event.preventDefault();
+			}
+		});
+
+	element
+		.simulate( "focus" )
+		.autocomplete( "search", "ja" );
+
+	setTimeout(function() {
+		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
+		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
+		equal( element.text(), customVal );
+		start();
+	}, 50 );
+});
+
 asyncTest( "handle race condition", function() {
 	expect( 3 );
 	var count = 0,
diff --git a/ui/autocomplete.js b/ui/autocomplete.js
index c20ebf21a..30a539e51 100644
--- a/ui/autocomplete.js
+++ b/ui/autocomplete.js
@@ -545,7 +545,11 @@ $.widget( "ui.autocomplete", {
 		}
 		if ( this.menu.isFirstItem() && /^previous/.test( direction ) ||
 				this.menu.isLastItem() && /^next/.test( direction ) ) {
-			this._value( this.term );
+
+			if ( !this.isMultiLine ) {
+				this._value( this.term );
+			}
+
 			this.menu.blur();
 			return;
 		}
-- 
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