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diff --git a/vendor/oojs/oojs-ui/src/widgets/ButtonInputWidget.js b/vendor/oojs/oojs-ui/src/widgets/ButtonInputWidget.js
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+/**
+ * ButtonInputWidget is used to submit HTML forms and is intended to be used within
+ * a OO.ui.FormLayout. If you do not need the button to work with HTML forms, you probably
+ * want to use OO.ui.ButtonWidget instead. Button input widgets can be rendered as either an
+ * HTML `<button/>` (the default) or an HTML `<input/>` tags. See the
+ * [OOjs UI documentation on MediaWiki] [1] for more information.
+ *
+ *     @example
+ *     // A ButtonInputWidget rendered as an HTML button, the default.
+ *     var button = new OO.ui.ButtonInputWidget( {
+ *         label: 'Input button',
+ *         icon: 'check',
+ *         value: 'check'
+ *     } );
+ *     $( 'body' ).append( button.$element );
+ *
+ * [1]: https://www.mediawiki.org/wiki/OOjs_UI/Widgets/Inputs#Button_inputs
+ *
+ * @class
+ * @extends OO.ui.InputWidget
+ * @mixins OO.ui.ButtonElement
+ * @mixins OO.ui.IconElement
+ * @mixins OO.ui.IndicatorElement
+ * @mixins OO.ui.LabelElement
+ * @mixins OO.ui.TitledElement
+ *
+ * @constructor
+ * @param {Object} [config] Configuration options
+ * @cfg {string} [type='button'] The value of the HTML `'type'` attribute: 'button', 'submit' or 'reset'.
+ * @cfg {boolean} [useInputTag=false] Use an `<input/>` tag instead of a `<button/>` tag, the default.
+ *  Widgets configured to be an `<input/>` do not support {@link #icon icons} and {@link #indicator indicators},
+ *  non-plaintext {@link #label labels}, or {@link #value values}. In general, useInputTag should only
+ *  be set to `true` when there’s need to support IE6 in a form with multiple buttons.
+ */
+OO.ui.ButtonInputWidget = function OoUiButtonInputWidget( config ) {
+	// Configuration initialization
+	config = $.extend( { type: 'button', useInputTag: false }, config );
+
+	// Properties (must be set before parent constructor, which calls #setValue)
+	this.useInputTag = config.useInputTag;
+
+	// Parent constructor
+	OO.ui.ButtonInputWidget.super.call( this, config );
+
+	// Mixin constructors
+	OO.ui.ButtonElement.call( this, $.extend( {}, config, { $button: this.$input } ) );
+	OO.ui.IconElement.call( this, config );
+	OO.ui.IndicatorElement.call( this, config );
+	OO.ui.LabelElement.call( this, config );
+	OO.ui.TitledElement.call( this, $.extend( {}, config, { $titled: this.$input } ) );
+
+	// Initialization
+	if ( !config.useInputTag ) {
+		this.$input.append( this.$icon, this.$label, this.$indicator );
+	}
+	this.$element.addClass( 'oo-ui-buttonInputWidget' );
+};
+
+/* Setup */
+
+OO.inheritClass( OO.ui.ButtonInputWidget, OO.ui.InputWidget );
+OO.mixinClass( OO.ui.ButtonInputWidget, OO.ui.ButtonElement );
+OO.mixinClass( OO.ui.ButtonInputWidget, OO.ui.IconElement );
+OO.mixinClass( OO.ui.ButtonInputWidget, OO.ui.IndicatorElement );
+OO.mixinClass( OO.ui.ButtonInputWidget, OO.ui.LabelElement );
+OO.mixinClass( OO.ui.ButtonInputWidget, OO.ui.TitledElement );
+
+/* Methods */
+
+/**
+ * @inheritdoc
+ * @private
+ */
+OO.ui.ButtonInputWidget.prototype.getInputElement = function ( config ) {
+	var html = '<' + ( config.useInputTag ? 'input' : 'button' ) + ' type="' + config.type + '">';
+	return $( html );
+};
+
+/**
+ * Set label value.
+ *
+ * If #useInputTag is `true`, the label is set as the `value` of the `<input/>` tag.
+ *
+ * @param {jQuery|string|Function|null} label Label nodes, text, a function that returns nodes or
+ *  text, or `null` for no label
+ * @chainable
+ */
+OO.ui.ButtonInputWidget.prototype.setLabel = function ( label ) {
+	OO.ui.LabelElement.prototype.setLabel.call( this, label );
+
+	if ( this.useInputTag ) {
+		if ( typeof label === 'function' ) {
+			label = OO.ui.resolveMsg( label );
+		}
+		if ( label instanceof jQuery ) {
+			label = label.text();
+		}
+		if ( !label ) {
+			label = '';
+		}
+		this.$input.val( label );
+	}
+
+	return this;
+};
+
+/**
+ * Set the value of the input.
+ *
+ * This method is disabled for button inputs configured as {@link #useInputTag <input/> tags}, as
+ * they do not support {@link #value values}.
+ *
+ * @param {string} value New value
+ * @chainable
+ */
+OO.ui.ButtonInputWidget.prototype.setValue = function ( value ) {
+	if ( !this.useInputTag ) {
+		OO.ui.ButtonInputWidget.super.prototype.setValue.call( this, value );
+	}
+	return this;
+};