Add "multiple" attribute to browse widget

And default to non-multiple upload; that’s enough to enable the ability
to take photos/videos directly on iOS

core/modules/widgets/browse.js

@@ -36,7 +36,9 @@ BrowseWidget.prototype.render = function(parent,nextSibling) {
 	// Create element
 	var domNode = this.document.createElement("input");
 	domNode.setAttribute("type","file");
-	domNode.setAttribute("multiple","multiple");
+	if(this.browseMultiple) {
+		domNode.setAttribute("multiple","multiple");
+	}
 	// Add a click event handler
 	domNode.addEventListener("change",function (event) {
 		self.wiki.readFiles(event.target.files,function(tiddlerFieldsArray) {
@@ -54,6 +56,7 @@ BrowseWidget.prototype.render = function(parent,nextSibling) {
 Compute the internal state of the widget
 */
 BrowseWidget.prototype.execute = function() {
+	this.browseMultiple = this.getAttribute("multiple");
 };
 
 /*

editions/tw5.com/tiddlers/widgets/BrowseWidget.tid

@@ -1,6 +1,6 @@
 title: BrowseWidget
 created: 201310241419
-modified: 201310300837
+modified: 20140910200751303
 tags: widget
 
 ! Introduction
@@ -9,4 +9,9 @@ The browse widget displays an HTML file browser button that allows the user to c
 
 ! Content and Attributes
 
-The browse widget has no attributes, and ignores any contained content.
+The content of the `<$browse>` widget is ignored.
+
+|!Attribute |!Description |
+|multiple |Set to "multiple" to select multiple file upload |
+
+On iPhone/iPad choosing the multiple option will remove the ability to take photographs/videos directly into TiddlyWiki.