diff --git a/modules/ext.math.mathjax.enabler.js b/modules/ext.math.mathjax.enabler.js
index 77cc425..1ba9579 100644
--- a/modules/ext.math.mathjax.enabler.js
+++ b/modules/ext.math.mathjax.enabler.js
@@ -3,244 +3,246 @@
  */
 /*global mathJax:true, MathJax:true */
 ( function ( mw, $ ) {
-  if ( typeof mathJax === 'undefined' ) {
-    mathJax = {};
-  }
+	'use strict';
 
-  mathJax.version = '0.2';
+	if ( typeof mathJax === 'undefined' ) {
+		mathJax = {};
+	}
 
-  mathJax.loaded = false;
+	mathJax.version = '0.2';
 
-  mathJax.locale = mw.config.get('wgUserLanguage');
+	mathJax.loaded = false;
 
-  // See http://docs.mathjax.org/en/latest/options/index.html
-  mathJax.config = $.extend( true, {
-    root: mw.config.get('wgExtensionAssetsPath') + '/Math/modules/MathJax/unpacked',
-    'v1.0-compatible': false,
-    menuSettings: {
-      zoom: 'Click'
-    },
-    'HTML-CSS': {
-      imageFont: null,
-      mtextFontInherit: true
-    },
-    MathMenu: {
-      showLocale: false
-    },
-    jax: ['input/TeX','input/MathML','output/NativeMML','output/HTML-CSS']
-  }, mathJax.config );
+	mathJax.locale = mw.config.get( 'wgUserLanguage' );
 
-  /**
-   * @param {string} relative path to a MathJax file
-   * @return {string} MediaWiki module containing the file
-   */
-  mathJax.getModuleNameFromFile = function (file) {
-    var regexp, module;
+	// See http://docs.mathjax.org/en/latest/options/index.html
+	mathJax.config = $.extend( true, {
+		root: mw.config.get( 'wgExtensionAssetsPath' ) + '/Math/modules/MathJax/unpacked',
+			'v1.0-compatible': false,
+		menuSettings: {
+			zoom: 'Click'
+		},
+		'HTML-CSS': {
+			imageFont: null,
+			mtextFontInherit: true
+		},
+		MathMenu: {
+			showLocale: false
+		},
+		jax: ['input/TeX','input/MathML','output/NativeMML','output/HTML-CSS']
+	}, mathJax.config );
 
-    // These modules are loaded at startup and thus don't need to be specified:
-    // - ext.math.mathjax.mathjax in mathJax.Load
-    // - ext.math.mathjax.localization in mathJax.Init
-    // - ext.math.mathjax.jax.config in MathJax.Hub.Startup.Jax
-    // - ext.math.mathjax.extensions in MathJax.Hub.Startup.Extensions
-    //
+	/**
+	 * @param {string} relative path to a MathJax file
+	 * @return {string} MediaWiki module containing the file
+	 */
+	mathJax.getModuleNameFromFile = function ( file ) {
+		var regexp, module;
 
-    module = 'ext.math.mathjax.';
+		// These modules are loaded at startup and thus don't need to be specified:
+		// - ext.math.mathjax.mathjax in mathJax.Load
+		// - ext.math.mathjax.localization in mathJax.Init
+		// - ext.math.mathjax.jax.config in MathJax.Hub.Startup.Jax
+		// - ext.math.mathjax.extensions in MathJax.Hub.Startup.Extensions
+		//
 
-    regexp = file.match(/(.*)\/jax\.js/);
-    if ( regexp ) {
-      // These are jax.js files of input, element or output modules:
-      // - ext.math.mathjax.jax.input.MathML
-      // - ext.math.mathjax.jax.input.TeX
-      // - ext.math.mathjax.jax.output.HTML-CSS
-      // - ext.math.mathjax.jax.output.NativeMML
-      // - ext.math.mathjax.jax.output.HTML-CSS
-      // - ext.math.mathjax.jax.output.SVG
-      return module + regexp[1].replace(/\//g,'.');
-    }
+		module = 'ext.math.mathjax.';
 
-    if ( file.match(/jax\/element\/mml\/optable/) ) {
-      return module + 'jax.element.mml.optable';
-    }
+		regexp = file.match( /(.*)\/jax\.js/ );
+		if ( regexp ) {
+			// These are jax.js files of input, element or output modules:
+			// - ext.math.mathjax.jax.input.MathML
+			// - ext.math.mathjax.jax.input.TeX
+			// - ext.math.mathjax.jax.output.HTML-CSS
+			// - ext.math.mathjax.jax.output.NativeMML
+			// - ext.math.mathjax.jax.output.HTML-CSS
+			// - ext.math.mathjax.jax.output.SVG
+			return module + regexp[1].replace( /\//g, '.' );
+		}
 
-    regexp = file.match(/jax\/output\/(HTML-CSS|SVG)/);
-    if ( regexp ) {
-      module += 'jax.output.' + regexp[1] + '.';
-      if ( file.match(/autoload/) ) {
-        return module + 'autoload';
-      }
-      if ( file.match(/fonts\/TeX\/fontdata/) ) {
-        return module + 'fonts.TeX.fontdata';
-      }
-      if ( file.match(/fonts\/TeX\/.*\/.*\/Main\.js/) ) {
-        return module + 'fonts.TeX.MainJS';
-      }
-      if ( file.match(/fonts\/TeX\/Main/) ) {
-        return module + 'fonts.TeX.Main';
-      }
-      if ( file.match(/fonts\/TeX\/AMS/) ) {
-        return module + 'fonts.TeX.AMS';
-      }
-      if ( file.match(/fonts\/TeX/) ) {
-        return module + 'fonts.TeX.Extra';
-      }
-    }
+		if ( file.match( /jax\/element\/mml\/optable/ ) ) {
+			return module + 'jax.element.mml.optable';
+		}
 
-    mw.log( 'MathJax resource not handled by MediaWiki: ' + file );
+		regexp = file.match( /jax\/output\/(HTML-CSS|SVG)/ );
+		if ( regexp ) {
+			module += 'jax.output.' + regexp[1] + '.';
+			if ( file.match( /autoload/ ) ) {
+				return module + 'autoload';
+			}
+			if ( file.match( /fonts\/TeX\/fontdata/ ) ) {
+				return module + 'fonts.TeX.fontdata';
+			}
+			if ( file.match( /fonts\/TeX\/.*\/.*\/Main\.js/ ) ) {
+				return module + 'fonts.TeX.MainJS';
+			}
+			if ( file.match( /fonts\/TeX\/Main/ ) ) {
+				return module + 'fonts.TeX.Main';
+			}
+			if ( file.match( /fonts\/TeX\/AMS/ ) ) {
+				return module + 'fonts.TeX.AMS';
+			}
+			if ( file.match( /fonts\/TeX/ ) ) {
+				return module + 'fonts.TeX.Extra';
+			}
+		}
 
-    return null;
-  };
+		mw.log( 'MathJax resource not handled by MediaWiki: ' + file );
 
-  /**
-   * Configure MathJax, preload some files and replace MathJax's resource loader
-   * by our own resource loader.
-   */
-  mathJax.Init = function () {
-    // Configure MathJax
-    MathJax.Hub.Config( mathJax.config );
-    MathJax.OutputJax.fontDir = mw.config.get('wgExtensionAssetsPath') + '/Math/modules/MathJax/fonts';
+		return null;
+	};
 
-    // Redefine MathJax.Hub.Startup.Jax
-    MathJax.Hub.Startup.Jax = function () {
-      var config, jax, i, k, name, queue, callback;
-      //  Save the order of the output jax since they are loading asynchronously
-      config = MathJax.Hub.config;
-      jax = MathJax.Hub.outputJax;
-      for ( i = 0, k = 0; i < config.jax.length; i++ ) {
-        name = config.jax[i].substr(7);
-        if ( config.jax[i].substr(0,7) === 'output/' && jax.order[name] === null ) {
-            jax.order[name] = k;
-            k++;
-        }
-      }
-      queue = MathJax.Callback.Queue();
-      callback = MathJax.Callback({});
-      return queue.Push(
-        ['Post', MathJax.Hub.Startup.signal, 'Begin Jax'],
-        ['using', mw.loader, 'ext.math.mathjax.jax.config', callback],
-        callback,
-        ['Post', MathJax.Hub.Startup.signal, 'End Jax']
-      );
-    };
+	/**
+	 * Configure MathJax, preload some files and replace MathJax's resource loader
+	 * by our own resource loader.
+	 */
+	mathJax.Init = function () {
+		// Configure MathJax
+		MathJax.Hub.Config( mathJax.config );
+		MathJax.OutputJax.fontDir = mw.config.get( 'wgExtensionAssetsPath' ) + '/Math/modules/MathJax/fonts';
 
-    // Redefine MathJax.Hub.Startup.Extensions
-    MathJax.Hub.Startup.Extensions = function () {
-      var queue, callback;
-      queue = MathJax.Callback.Queue();
-      callback = MathJax.Callback({});
-      return queue.Push(
-        ['Post', MathJax.Hub.Startup.signal, 'Begin Extensions'],
-        ['using', mw.loader, 'ext.math.mathjax.extensions', callback],
-        callback,
-        ['Post', MathJax.Hub.Startup.signal, 'End Extensions']
-      );
-    };
+		// Redefine MathJax.Hub.Startup.Jax
+		MathJax.Hub.Startup.Jax = function () {
+			var config, jax, i, k, name, queue, callback;
+			//  Save the order of the output jax since they are loading asynchronously
+			config = MathJax.Hub.config;
+			jax = MathJax.Hub.outputJax;
+			for ( i = 0, k = 0; i < config.jax.length; i++ ) {
+				name = config.jax[i].substr( 7 );
+				if ( config.jax[i].substr( 0,7 ) === 'output/' && jax.order[name] === null ) {
+						jax.order[name] = k;
+						k++;
+				}
+			}
+			queue = MathJax.Callback.Queue();
+			callback = MathJax.Callback( {} );
+			return queue.Push(
+				['Post', MathJax.Hub.Startup.signal, 'Begin Jax'],
+				['using', mw.loader, 'ext.math.mathjax.jax.config', callback],
+				callback,
+				['Post', MathJax.Hub.Startup.signal, 'End Jax']
+			);
+		};
 
-    // Redefine MathJax.Ajax.Load
-    MathJax.Ajax.MathJaxLoad = MathJax.Ajax.Load;
-    MathJax.Ajax.Load = function (file, callback) {
-      var type, i, module;
-      callback = MathJax.Callback(callback);
-      if ( file instanceof Object ) {
-        for ( i in file ) {
-          if ( file.hasOwnProperty(i) ) {
-            type = i.toUpperCase();
-            file = file[i];
-          }
-        }
-      } else {
-        type = file.split(/\./).pop().toUpperCase();
-      }
-      file = MathJax.Ajax.fileURL(file);
-      if ( MathJax.Ajax.loading[file] ) {
-        MathJax.Ajax.addHook(file, callback);
-      } else {
-        if ( MathJax.Ajax.loader[type] ) {
-          module = mathJax.getModuleNameFromFile(file.substring(MathJax.Hub.config.root.length + 1));
-          if ( module ) {
-            // Use MediaWiki's resource loader.
-            MathJax.Ajax.loading[file] = {
-              callback: callback,
-              timeout: -1,
-              status: this.STATUS.OK,
-              script: null
-            };
-            // Add this to the structure above after it is created to prevent
-            // recursion when loading the initial localization file (before
-            // loading message is available)
-            MathJax.Ajax.loading[file].message = MathJax.Message.File(file);
-            mw.loader.load(module);
-          } else {
-            // Fallback to MathJax's own loader.
-            callback = MathJax.Ajax.MathJaxLoad(file, callback);
-          }
-        } else {
-          throw new Error('Can\'t load files of type ' + type);
-        }
-      }
-      return callback;
-    };
+		// Redefine MathJax.Hub.Startup.Extensions
+		MathJax.Hub.Startup.Extensions = function () {
+			var queue, callback;
+			queue = MathJax.Callback.Queue();
+			callback = MathJax.Callback( {} );
+			return queue.Push(
+				['Post', MathJax.Hub.Startup.signal, 'Begin Extensions'],
+				['using', mw.loader, 'ext.math.mathjax.extensions', callback],
+				callback,
+				['Post', MathJax.Hub.Startup.signal, 'End Extensions']
+			);
+		};
 
-    // Register the final action after MathJax processing: hide
-    // SVG/PNG preview if thas was not done before and show MathJax's output.
-    MathJax.Hub.Startup.signal.MessageHook( 'End', function () {
-      mw.loader.load('ext.math.mathml');
-    });
+		// Redefine MathJax.Ajax.Load
+		MathJax.Ajax.MathJaxLoad = MathJax.Ajax.Load;
+		MathJax.Ajax.Load = function ( file, callback ) {
+			var type, i, module;
+			callback = MathJax.Callback( callback );
+			if ( file instanceof Object ) {
+				for ( i in file ) {
+					if ( file.hasOwnProperty( i ) ) {
+						type = i.toUpperCase();
+						file = file[i];
+					}
+				}
+			} else {
+				type = file.split( /\./ ).pop().toUpperCase();
+			}
+			file = MathJax.Ajax.fileURL( file );
+			if ( MathJax.Ajax.loading[file] ) {
+				MathJax.Ajax.addHook( file, callback );
+			} else {
+				if ( MathJax.Ajax.loader[type] ) {
+					module = mathJax.getModuleNameFromFile( file.substring( MathJax.Hub.config.root.length + 1 ) );
+					if ( module ) {
+						// Use MediaWiki's resource loader.
+						MathJax.Ajax.loading[file] = {
+							callback: callback,
+							timeout: -1,
+							status: this.STATUS.OK,
+							script: null
+						};
+						// Add this to the structure above after it is created to prevent
+						// recursion when loading the initial localization file (before
+						// loading message is available)
+						MathJax.Ajax.loading[file].message = MathJax.Message.File( file );
+						mw.loader.load( module );
+					} else {
+						// Fallback to MathJax's own loader.
+						callback = MathJax.Ajax.MathJaxLoad( file, callback );
+					}
+				} else {
+					throw new Error( 'Can\'t load files of type ' + type );
+				}
+			}
+			return callback;
+		};
 
-    // Set MathJax's locale and load the localization data.
-    MathJax.Localization.resetLocale(mathJax.locale);
-    mathJax.locale = MathJax.Localization.locale;
-    MathJax.Hub.config.menuSettings.locale = mathJax.locale;
-    mw.loader.using( 'ext.math.mathjax.localization', function () {
-      MathJax.Hub.Configured();
-    } );
-  };
+		// Register the final action after MathJax processing: hide
+		// SVG/PNG preview if thas was not done before and show MathJax's output.
+		MathJax.Hub.Startup.signal.MessageHook( 'End', function () {
+			mw.loader.load( 'ext.math.mathml' );
+		} );
 
-  /**
-   * Renders all Math TeX inside the given elements.
-   * @param {function} callback to be executed after text elements have rendered [optional]
-   */
-  $.fn.renderTex = function ( callback ) {
-    var elem = this.find( '.tex' ).parent().toArray();
+		// Set MathJax's locale and load the localization data.
+		MathJax.Localization.resetLocale( mathJax.locale );
+		mathJax.locale = MathJax.Localization.locale;
+		MathJax.Hub.config.menuSettings.locale = mathJax.locale;
+		mw.loader.using( 'ext.math.mathjax.localization', function () {
+			MathJax.Hub.Configured();
+		} );
+	};
 
-    if ( !$.isFunction( callback ) ) {
-      callback = $.noop;
-    }
+	/**
+	 * Renders all Math TeX inside the given elements.
+	 * @param {function} callback to be executed after text elements have rendered [optional]
+	 */
+	$.fn.renderTex = function ( callback ) {
+		var elem = this.find( '.tex' ).parent().toArray();
 
-    function render () {
-      MathJax.Hub.Queue( ['Typeset', MathJax.Hub, elem, callback] );
-    }
+		if ( !$.isFunction( callback ) ) {
+			callback = $.noop;
+		}
 
-    mw.loader.using( 'ext.math.mathjax.mathjax', function () {
-      if ( MathJax.isReady ) {
-        render();
-      } else {
-        MathJax.Hub.Startup.signal.MessageHook( 'End', render );
-      }
-    } );
-    return this;
-  };
+		function render() {
+			MathJax.Hub.Queue( ['Typeset', MathJax.Hub, elem, callback] );
+		}
 
-  mathJax.Load = function () {
-    if ( this.loaded ) {
-      return true;
-    }
+		mw.loader.using( 'ext.math.mathjax.mathjax', function () {
+			if ( MathJax.isReady ) {
+				render();
+			} else {
+				MathJax.Hub.Startup.signal.MessageHook( 'End', render );
+			}
+		} );
+		return this;
+	};
 
-    // create the global MathJax variable to hook into MathJax startup
-    MathJax = {
-      delayStartupUntil: 'configured',
-      AuthorInit: mathJax.Init
-    };
+	mathJax.Load = function () {
+		if ( this.loaded ) {
+			return true;
+		}
 
-    // load MathJax.js
-    mw.loader.load('ext.math.mathjax.mathjax');
+		// create the global MathJax variable to hook into MathJax startup
+		MathJax = {
+			delayStartupUntil: 'configured',
+			AuthorInit: mathJax.Init
+		};
 
-    this.loaded = true;
+		// load MathJax.js
+		mw.loader.load('ext.math.mathjax.mathjax');
 
-    return false;
-  };
+		this.loaded = true;
 
-  $( document ).ready( function () {
-    mathJax.Load();
-  } );
+		return false;
+	};
+
+	$( document ).ready( function () {
+		mathJax.Load();
+	} );
 
 }( mediaWiki, jQuery ) );