Add args to unsupported message response based on some warnings I saw. Indicate which files are unsaved in the editor.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3638 ed5197a5-7fde-0310-b194-c3ffbd925b24

core/client.js

@@ -143,6 +143,9 @@ function load() {
 					'indentWithTabs': true,
 					'showTrailingSpace': true,
 				});
+				gEditor.on('changes', function() {
+					updateFiles();
+				});
 			}
 			gFiles = {};
 			var text;
@@ -208,6 +211,10 @@ function save() {
 
 	var appFinished = function(success) {
 		document.getElementById("save").disabled = false;
+		Object.values(gFiles).forEach(function(file) {
+			file.doc.markClean();
+		});
+		updateFiles();
 	}
 
 	var always = function() {
@@ -584,6 +591,9 @@ function updateFiles() {
 		if (file == gCurrentFile) {
 			li.classList.add("current");
 		}
+		if (!gFiles[file].doc.isClean()) {
+			li.classList.add("dirty");
+		}
 		node.appendChild(li);
 	}