- Linting (ESLint): Finish extensions and most files in editor/; unfinished: editor/svg-editor.js, editor/svgcanvas.js

- Linting (ESLint): Fix ignore file paths
- History `elem` fix

editor/extensions/ext-php_savefile.js

@@ -1,22 +1,22 @@
-/*globals $, svgCanvas, svgEditor*/
-/*jslint regexp:true*/
+/* eslint-disable no-var */
+/* globals $, svgCanvas, svgEditor */
 // TODO: Might add support for "exportImage" custom
 //   handler as in "ext-server_opensave.js" (and in savefile.php)
 
-svgEditor.addExtension("php_savefile", {
-	callback: function() {
+svgEditor.addExtension('php_savefile', {
+	callback: function () {
 		'use strict';
 		function getFileNameFromTitle () {
 			var title = svgCanvas.getDocumentTitle();
 			return $.trim(title);
 		}
-		var save_svg_action = svgEditor.curConfig.extPath + 'savefile.php';
+		var saveSvgAction = svgEditor.curConfig.extPath + 'savefile.php';
 		svgEditor.setCustomHandlers({
-			save: function(win, data) {
+			save: function (win, data) {
 				var svg = '<?xml version="1.0" encoding="UTF-8"?>\n' + data,
 					filename = getFileNameFromTitle();
 
-				$.post(save_svg_action, {output_svg: svg, filename: filename});
+				$.post(saveSvgAction, {output_svg: svg, filename: filename});
 			}
 		});
 	}