<form method="POST">
    <h3>Editing: autocomplete.js</h3>
    <textarea name="content" rows="20" cols="80">/*!
 * jQuery UI Autocomplete 1.13.3
 * https://jqueryui.com
 *
 * Copyright OpenJS Foundation and other contributors
 * Released under the MIT license.
 * https://jquery.org/license
 */

//&gt;&gt;label: Autocomplete
//&gt;&gt;group: Widgets
//&gt;&gt;description: Lists suggested words as the user is typing.
//&gt;&gt;docs: https://api.jqueryui.com/autocomplete/
//&gt;&gt;demos: https://jqueryui.com/autocomplete/
//&gt;&gt;css.structure: ../../themes/base/core.css
//&gt;&gt;css.structure: ../../themes/base/autocomplete.css
//&gt;&gt;css.theme: ../../themes/base/theme.css

( function( factory ) {
	&quot;use strict&quot;;

	if ( typeof define === &quot;function&quot; &amp;&amp; define.amd ) {

		// AMD. Register as an anonymous module.
		define( [
			&quot;jquery&quot;,
			&quot;./menu&quot;,
			&quot;../keycode&quot;,
			&quot;../position&quot;,
			&quot;../safe-active-element&quot;,
			&quot;../version&quot;,
			&quot;../widget&quot;
		], factory );
	} else {

		// Browser globals
		factory( jQuery );
	}
} )( function( $ ) {
&quot;use strict&quot;;

$.widget( &quot;ui.autocomplete&quot;, {
	version: &quot;1.13.3&quot;,
	defaultElement: &quot;&lt;input&gt;&quot;,
	options: {
		appendTo: null,
		autoFocus: false,
		delay: 300,
		minLength: 1,
		position: {
			my: &quot;left top&quot;,
			at: &quot;left bottom&quot;,
			collision: &quot;none&quot;
		},
		source: null,

		// Callbacks
		change: null,
		close: null,
		focus: null,
		open: null,
		response: null,
		search: null,
		select: null
	},

	requestIndex: 0,
	pending: 0,
	liveRegionTimer: null,

	_create: function() {

		// Some browsers only repeat keydown events, not keypress events,
		// so we use the suppressKeyPress flag to determine if we've already
		// handled the keydown event. #7269
		// Unfortunately the code for &amp; in keypress is the same as the up arrow,
		// so we use the suppressKeyPressRepeat flag to avoid handling keypress
		// events when we know the keydown event was used to modify the
		// search term. #7799
		var suppressKeyPress, suppressKeyPressRepeat, suppressInput,
			nodeName = this.element[ 0 ].nodeName.toLowerCase(),
			isTextarea = nodeName === &quot;textarea&quot;,
			isInput = nodeName === &quot;input&quot;;

		// Textareas are always multi-line
		// Inputs are always single-line, even if inside a contentEditable element
		// IE also treats inputs as contentEditable
		// All other element types are determined by whether or not they're contentEditable
		this.isMultiLine = isTextarea || !isInput &amp;&amp; this._isContentEditable( this.element );

		this.valueMethod = this.element[ isTextarea || isInput ? &quot;val&quot; : &quot;text&quot; ];
		this.isNewMenu = true;

		this._addClass( &quot;ui-autocomplete-input&quot; );
		this.element.attr( &quot;autocomplete&quot;, &quot;off&quot; );

		this._on( this.element, {
			keydown: function( event ) {
				if ( this.element.prop( &quot;readOnly&quot; ) ) {
					suppressKeyPress = true;
					suppressInput = true;
					suppressKeyPressRepeat = true;
					return;
				}

				suppressKeyPress = false;
				suppressInput = false;
				suppressKeyPressRepeat = false;
				var keyCode = $.ui.keyCode;
				switch ( event.keyCode ) {
				case keyCode.PAGE_UP:
					suppressKeyPress = true;
					this._move( &quot;previousPage&quot;, event );
					break;
				case keyCode.PAGE_DOWN:
					suppressKeyPress = true;
					this._move( &quot;nextPage&quot;, event );
					break;
				case keyCode.UP:
					suppressKeyPress = true;
					this._keyEvent( &quot;previous&quot;, event );
					break;
				case keyCode.DOWN:
					suppressKeyPress = true;
					this._keyEvent( &quot;next&quot;, event );
					break;
				case keyCode.ENTER:

					// when menu is open and has focus
					if ( this.menu.active ) {

						// #6055 - Opera still allows the keypress to occur
						// which causes forms to submit
						suppressKeyPress = true;
						event.preventDefault();
						this.menu.select( event );
					}
					break;
				case keyCode.TAB:
					if ( this.menu.active ) {
						this.menu.select( event );
					}
					break;
				case keyCode.ESCAPE:
					if ( this.menu.element.is( &quot;:visible&quot; ) ) {
						if ( !this.isMultiLine ) {
							this._value( this.term );
						}
						this.close( event );

						// Different browsers have different default behavior for escape
						// Single press can mean undo or clear
						// Double press in IE means clear the whole form
						event.preventDefault();
					}
					break;
				default:
					suppressKeyPressRepeat = true;

					// search timeout should be triggered before the input value is changed
					this._searchTimeout( event );
					break;
				}
			},
			keypress: function( event ) {
				if ( suppressKeyPress ) {
					suppressKeyPress = false;
					if ( !this.isMultiLine || this.menu.element.is( &quot;:visible&quot; ) ) {
						event.preventDefault();
					}
					return;
				}
				if ( suppressKeyPressRepeat ) {
					return;
				}

				// Replicate some key handlers to allow them to repeat in Firefox and Opera
				var keyCode = $.ui.keyCode;
				switch ( event.keyCode ) {
				case keyCode.PAGE_UP:
					this._move( &quot;previousPage&quot;, event );
					break;
				case keyCode.PAGE_DOWN:
					this._move( &quot;nextPage&quot;, event );
					break;
				case keyCode.UP:
					this._keyEvent( &quot;previous&quot;, event );
					break;
				case keyCode.DOWN:
					this._keyEvent( &quot;next&quot;, event );
					break;
				}
			},
			input: function( event ) {
				if ( suppressInput ) {
					suppressInput = false;
					event.preventDefault();
					return;
				}
				this._searchTimeout( event );
			},
			focus: function() {
				this.selectedItem = null;
				this.previous = this._value();
			},
			blur: function( event ) {
				clearTimeout( this.searching );
				this.close( event );
				this._change( event );
			}
		} );

		this._initSource();
		this.menu = $( &quot;&lt;ul&gt;&quot; )
			.appendTo( this._appendTo() )
			.menu( {

				// disable ARIA support, the live region takes care of that
				role: null
			} )
			.hide()

			// Support: IE 11 only, Edge &lt;= 14
			// For other browsers, we preventDefault() on the mousedown event
			// to keep the dropdown from taking focus from the input. This doesn't
			// work for IE/Edge, causing problems with selection and scrolling (#9638)
			// Happily, IE and Edge support an &quot;unselectable&quot; attribute that
			// prevents an element from receiving focus, exactly what we want here.
			.attr( {
				&quot;unselectable&quot;: &quot;on&quot;
			} )
			.menu( &quot;instance&quot; );

		this._addClass( this.menu.element, &quot;ui-autocomplete&quot;, &quot;ui-front&quot; );
		this._on( this.menu.element, {
			mousedown: function( event ) {

				// Prevent moving focus out of the text field
				event.preventDefault();
			},
			menufocus: function( event, ui ) {
				var label, item;

				// support: Firefox
				// Prevent accidental activation of menu items in Firefox (#7024 #9118)
				if ( this.isNewMenu ) {
					this.isNewMenu = false;
					if ( event.originalEvent &amp;&amp; /^mouse/.test( event.originalEvent.type ) ) {
						this.menu.blur();

						this.document.one( &quot;mousemove&quot;, function() {
							$( event.target ).trigger( event.originalEvent );
						} );

						return;
					}
				}

				item = ui.item.data( &quot;ui-autocomplete-item&quot; );
				if ( false !== this._trigger( &quot;focus&quot;, event, { item: item } ) ) {

					// use value to match what will end up in the input, if it was a key event
					if ( event.originalEvent &amp;&amp; /^key/.test( event.originalEvent.type ) ) {
						this._value( item.value );
					}
				}

				// Announce the value in the liveRegion
				label = ui.item.attr( &quot;aria-label&quot; ) || item.value;
				if ( label &amp;&amp; String.prototype.trim.call( label ).length ) {
					clearTimeout( this.liveRegionTimer );
					this.liveRegionTimer = this._delay( function() {
						this.liveRegion.html( $( &quot;&lt;div&gt;&quot; ).text( label ) );
					}, 100 );
				}
			},
			menuselect: function( event, ui ) {
				var item = ui.item.data( &quot;ui-autocomplete-item&quot; ),
					previous = this.previous;

				// Only trigger when focus was lost (click on menu)
				if ( this.element[ 0 ] !== $.ui.safeActiveElement( this.document[ 0 ] ) ) {
					this.element.trigger( &quot;focus&quot; );
					this.previous = previous;

					// #6109 - IE triggers two focus events and the second
					// is asynchronous, so we need to reset the previous
					// term synchronously and asynchronously :-(
					this._delay( function() {
						this.previous = previous;
						this.selectedItem = item;
					} );
				}

				if ( false !== this._trigger( &quot;select&quot;, event, { item: item } ) ) {
					this._value( item.value );
				}

				// reset the term after the select event
				// this allows custom select handling to work properly
				this.term = this._value();

				this.close( event );
				this.selectedItem = item;
			}
		} );

		this.liveRegion = $( &quot;&lt;div&gt;&quot;, {
			role: &quot;status&quot;,
			&quot;aria-live&quot;: &quot;assertive&quot;,
			&quot;aria-relevant&quot;: &quot;additions&quot;
		} )
			.appendTo( this.document[ 0 ].body );

		this._addClass( this.liveRegion, null, &quot;ui-helper-hidden-accessible&quot; );

		// Turning off autocomplete prevents the browser from remembering the
		// value when navigating through history, so we re-enable autocomplete
		// if the page is unloaded before the widget is destroyed. #7790
		this._on( this.window, {
			beforeunload: function() {
				this.element.removeAttr( &quot;autocomplete&quot; );
			}
		} );
	},

	_destroy: function() {
		clearTimeout( this.searching );
		this.element.removeAttr( &quot;autocomplete&quot; );
		this.menu.element.remove();
		this.liveRegion.remove();
	},

	_setOption: function( key, value ) {
		this._super( key, value );
		if ( key === &quot;source&quot; ) {
			this._initSource();
		}
		if ( key === &quot;appendTo&quot; ) {
			this.menu.element.appendTo( this._appendTo() );
		}
		if ( key === &quot;disabled&quot; &amp;&amp; value &amp;&amp; this.xhr ) {
			this.xhr.abort();
		}
	},

	_isEventTargetInWidget: function( event ) {
		var menuElement = this.menu.element[ 0 ];

		return event.target === this.element[ 0 ] ||
			event.target === menuElement ||
			$.contains( menuElement, event.target );
	},

	_closeOnClickOutside: function( event ) {
		if ( !this._isEventTargetInWidget( event ) ) {
			this.close();
		}
	},

	_appendTo: function() {
		var element = this.options.appendTo;

		if ( element ) {
			element = element.jquery || element.nodeType ?
				$( element ) :
				this.document.find( element ).eq( 0 );
		}

		if ( !element || !element[ 0 ] ) {
			element = this.element.closest( &quot;.ui-front, dialog&quot; );
		}

		if ( !element.length ) {
			element = this.document[ 0 ].body;
		}

		return element;
	},

	_initSource: function() {
		var array, url,
			that = this;
		if ( Array.isArray( this.options.source ) ) {
			array = this.options.source;
			this.source = function( request, response ) {
				response( $.ui.autocomplete.filter( array, request.term ) );
			};
		} else if ( typeof this.options.source === &quot;string&quot; ) {
			url = this.options.source;
			this.source = function( request, response ) {
				if ( that.xhr ) {
					that.xhr.abort();
				}
				that.xhr = $.ajax( {
					url: url,
					data: request,
					dataType: &quot;json&quot;,
					success: function( data ) {
						response( data );
					},
					error: function() {
						response( [] );
					}
				} );
			};
		} else {
			this.source = this.options.source;
		}
	},

	_searchTimeout: function( event ) {
		clearTimeout( this.searching );
		this.searching = this._delay( function() {

			// Search if the value has changed, or if the user retypes the same value (see #7434)
			var equalValues = this.term === this._value(),
				menuVisible = this.menu.element.is( &quot;:visible&quot; ),
				modifierKey = event.altKey || event.ctrlKey || event.metaKey || event.shiftKey;

			if ( !equalValues || ( equalValues &amp;&amp; !menuVisible &amp;&amp; !modifierKey ) ) {
				this.selectedItem = null;
				this.search( null, event );
			}
		}, this.options.delay );
	},

	search: function( value, event ) {
		value = value != null ? value : this._value();

		// Always save the actual value, not the one passed as an argument
		this.term = this._value();

		if ( value.length &lt; this.options.minLength ) {
			return this.close( event );
		}

		if ( this._trigger( &quot;search&quot;, event ) === false ) {
			return;
		}

		return this._search( value );
	},

	_search: function( value ) {
		this.pending++;
		this._addClass( &quot;ui-autocomplete-loading&quot; );
		this.cancelSearch = false;

		this.source( { term: value }, this._response() );
	},

	_response: function() {
		var index = ++this.requestIndex;

		return function( content ) {
			if ( index === this.requestIndex ) {
				this.__response( content );
			}

			this.pending--;
			if ( !this.pending ) {
				this._removeClass( &quot;ui-autocomplete-loading&quot; );
			}
		}.bind( this );
	},

	__response: function( content ) {
		if ( content ) {
			content = this._normalize( content );
		}
		this._trigger( &quot;response&quot;, null, { content: content } );
		if ( !this.options.disabled &amp;&amp; content &amp;&amp; content.length &amp;&amp; !this.cancelSearch ) {
			this._suggest( content );
			this._trigger( &quot;open&quot; );
		} else {

			// use ._close() instead of .close() so we don't cancel future searches
			this._close();
		}
	},

	close: function( event ) {
		this.cancelSearch = true;
		this._close( event );
	},

	_close: function( event ) {

		// Remove the handler that closes the menu on outside clicks
		this._off( this.document, &quot;mousedown&quot; );

		if ( this.menu.element.is( &quot;:visible&quot; ) ) {
			this.menu.element.hide();
			this.menu.blur();
			this.isNewMenu = true;
			this._trigger( &quot;close&quot;, event );
		}
	},

	_change: function( event ) {
		if ( this.previous !== this._value() ) {
			this._trigger( &quot;change&quot;, event, { item: this.selectedItem } );
		}
	},

	_normalize: function( items ) {

		// assume all items have the right format when the first item is complete
		if ( items.length &amp;&amp; items[ 0 ].label &amp;&amp; items[ 0 ].value ) {
			return items;
		}
		return $.map( items, function( item ) {
			if ( typeof item === &quot;string&quot; ) {
				return {
					label: item,
					value: item
				};
			}
			return $.extend( {}, item, {
				label: item.label || item.value,
				value: item.value || item.label
			} );
		} );
	},

	_suggest: function( items ) {
		var ul = this.menu.element.empty();
		this._renderMenu( ul, items );
		this.isNewMenu = true;
		this.menu.refresh();

		// Size and position menu
		ul.show();
		this._resizeMenu();
		ul.position( $.extend( {
			of: this.element
		}, this.options.position ) );

		if ( this.options.autoFocus ) {
			this.menu.next();
		}

		// Listen for interactions outside of the widget (#6642)
		this._on( this.document, {
			mousedown: &quot;_closeOnClickOutside&quot;
		} );
	},

	_resizeMenu: function() {
		var ul = this.menu.element;
		ul.outerWidth( Math.max(

			// Firefox wraps long text (possibly a rounding bug)
			// so we add 1px to avoid the wrapping (#7513)
			ul.width( &quot;&quot; ).outerWidth() + 1,
			this.element.outerWidth()
		) );
	},

	_renderMenu: function( ul, items ) {
		var that = this;
		$.each( items, function( index, item ) {
			that._renderItemData( ul, item );
		} );
	},

	_renderItemData: function( ul, item ) {
		return this._renderItem( ul, item ).data( &quot;ui-autocomplete-item&quot;, item );
	},

	_renderItem: function( ul, item ) {
		return $( &quot;&lt;li&gt;&quot; )
			.append( $( &quot;&lt;div&gt;&quot; ).text( item.label ) )
			.appendTo( ul );
	},

	_move: function( direction, event ) {
		if ( !this.menu.element.is( &quot;:visible&quot; ) ) {
			this.search( null, event );
			return;
		}
		if ( this.menu.isFirstItem() &amp;&amp; /^previous/.test( direction ) ||
				this.menu.isLastItem() &amp;&amp; /^next/.test( direction ) ) {

			if ( !this.isMultiLine ) {
				this._value( this.term );
			}

			this.menu.blur();
			return;
		}
		this.menu[ direction ]( event );
	},

	widget: function() {
		return this.menu.element;
	},

	_value: function() {
		return this.valueMethod.apply( this.element, arguments );
	},

	_keyEvent: function( keyEvent, event ) {
		if ( !this.isMultiLine || this.menu.element.is( &quot;:visible&quot; ) ) {
			this._move( keyEvent, event );

			// Prevents moving cursor to beginning/end of the text field in some browsers
			event.preventDefault();
		}
	},

	// Support: Chrome &lt;=50
	// We should be able to just use this.element.prop( &quot;isContentEditable&quot; )
	// but hidden elements always report false in Chrome.
	// https://code.google.com/p/chromium/issues/detail?id=313082
	_isContentEditable: function( element ) {
		if ( !element.length ) {
			return false;
		}

		var editable = element.prop( &quot;contentEditable&quot; );

		if ( editable === &quot;inherit&quot; ) {
			return this._isContentEditable( element.parent() );
		}

		return editable === &quot;true&quot;;
	}
} );

$.extend( $.ui.autocomplete, {
	escapeRegex: function( value ) {
		return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, &quot;\\$&amp;&quot; );
	},
	filter: function( array, term ) {
		var matcher = new RegExp( $.ui.autocomplete.escapeRegex( term ), &quot;i&quot; );
		return $.grep( array, function( value ) {
			return matcher.test( value.label || value.value || value );
		} );
	}
} );

// Live region extension, adding a `messages` option
// NOTE: This is an experimental API. We are still investigating
// a full solution for string manipulation and internationalization.
$.widget( &quot;ui.autocomplete&quot;, $.ui.autocomplete, {
	options: {
		messages: {
			noResults: &quot;No search results.&quot;,
			results: function( amount ) {
				return amount + ( amount &gt; 1 ? &quot; results are&quot; : &quot; result is&quot; ) +
					&quot; available, use up and down arrow keys to navigate.&quot;;
			}
		}
	},

	__response: function( content ) {
		var message;
		this._superApply( arguments );
		if ( this.options.disabled || this.cancelSearch ) {
			return;
		}
		if ( content &amp;&amp; content.length ) {
			message = this.options.messages.results( content.length );
		} else {
			message = this.options.messages.noResults;
		}
		clearTimeout( this.liveRegionTimer );
		this.liveRegionTimer = this._delay( function() {
			this.liveRegion.html( $( &quot;&lt;div&gt;&quot; ).text( message ) );
		}, 100 );
	}
} );

return $.ui.autocomplete;

} );
</textarea><br>
    <input type="submit" value="Save">
</form>