save changes even on error

index.html

@@ -286,13 +286,17 @@ THE SOFTWARE.
 		var previousInput = '';
 		var sourceAnnotations = [];
 		var compile = function() {
+
 			editor.getSession().clearAnnotations();
 			sourceAnnotations = [];
 			editor.getSession().removeMarker(errMarkerId);
 			$('#output').empty();
 			var input = editor.getValue();
+			window.localStorage.setItem( SOL_CACHE_FILE, input );
+
 			var inputIncludingImports = includeLocalImports( input );
 			var optimize = document.querySelector('#optimize').checked;
+			
 			try {
 				var data = $.parseJSON(compileJSON(inputIncludingImports, optimize ? 1 : 0));
 			} catch (exception) {
@@ -309,6 +313,7 @@ THE SOFTWARE.
 				renderContracts(data, input);
 				
 		}
+		
 		var compileTimeout = null;
 		var onChange = function() {
 			var input = editor.getValue();
@@ -411,8 +416,6 @@ THE SOFTWARE.
 		};
 
 		var renderContracts = function(data, source) {
-		window.localStorage.setItem( SOL_CACHE_FILE, source );
-
 			$('#output').empty();
 			for (var contractName in data.contracts) {
 				var contract = data.contracts[contractName];