Whitespace cleanup.

unpacked/extensions/MathEvents.js

@@ -4,20 +4,20 @@
 /*************************************************************
  *
  *  MathJax/extensions/MathEvents.js
- *  
+ *
  *  Implements the event handlers needed by the output jax to perform
  *  menu, hover, and other events.
  *
  *  ---------------------------------------------------------------------
- *  
+ *
  *  Copyright (c) 2011-2015 The MathJax Consortium
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -27,12 +27,12 @@
 
 (function (HUB,HTML,AJAX,CALLBACK,LOCALE,OUTPUT,INPUT) {
   var VERSION = "2.5.0";
-  
+
   var EXTENSION = MathJax.Extension;
   var ME = EXTENSION.MathEvents = {version: VERSION};
-  
+
   var SETTINGS = HUB.config.menuSettings;
-  
+
   var CONFIG = {
     hover: 500,              // time required to be considered a hover
     frame: {
@@ -41,7 +41,7 @@
       bcolor: "#A6D",        // frame border color
       hwidth: "15px",        // haze width
       hcolor: "#83A"         // haze color
-    },       
+    },
     button: {
       x: -6, y: -3,          // menu button offsets
       wx: -2                 // button offset for full-width equations
@@ -99,12 +99,12 @@
     }
   };
 
-  
+
   //
   //  Common event-handling code
   //
   var EVENT = ME.Event = {
-    
+
     LEFTBUTTON: 0,           // the event.button value for left button
     RIGHTBUTTON: 2,          // the event.button value for right button
     MENUKEY: "altKey",       // the event value for alternate context menu
@@ -131,7 +131,7 @@
     Click:     function (event) {return EVENT.Handler(event,"Click",this)},
     DblClick:  function (event) {return EVENT.Handler(event,"DblClick",this)},
     Menu:      function (event) {return EVENT.Handler(event,"ContextMenu",this)},
-    
+
     //
     //  Call the output jax's event handler or the zoom handler
     //
@@ -143,7 +143,7 @@
       if (jax[type]) {return jax[type](event,math)}
       if (EXTENSION.MathZoom) {return EXTENSION.MathZoom.HandleEvent(event,type,math)}
     },
-    
+
     //
     //  Try to cancel the event in every way we can
     //
@@ -156,12 +156,12 @@
       }
       return false;
     },
-    
+
     //
     // Keydown event handler. Should only fire on Space key.
     //
     // TODO: (sorge) Fit this into the Handler function.
-    // 
+    //
     Keydown: function (event, math) {
       var jax = OUTPUT[this.jaxID];
       if (event.keyCode === EVENT.KEY.SPACE) {
@@ -169,7 +169,7 @@
         EVENT.ContextMenu(event, this);
       };
     },
-    
+
     //
     //  Load the contextual menu code, if needed, and post the menu
     //
@@ -192,7 +192,7 @@
       }
 
       //
-      //  If the menu code is loaded, 
+      //  If the menu code is loaded,
       //    Check if localization needs loading;
       //    If not, post the menu, and return.
       //    Otherwise wait for the localization to load
@@ -206,12 +206,12 @@
         if (!load) {
           MENU.jax = jax;
           var source = MENU.menu.Find("Show Math As").submenu;
-	  source.items[0].name = jax.sourceMenuTitle;
+          source.items[0].name = jax.sourceMenuTitle;
-	  source.items[0].format = (jax.sourceMenuFormat||"MathML");
+          source.items[0].format = (jax.sourceMenuFormat||"MathML");
           source.items[1].name = INPUT[jax.inputJax].sourceMenuTitle;
           source.items[5].disabled = !INPUT[jax.inputJax].annotationEncoding;
 
-          // 
+          //
           // Try and find each known annotation format and enable the menu
           // items accordingly.
           //
@@ -253,7 +253,7 @@
       );
       return EVENT.False(event);
     },
-    
+
     //
     //  Mousedown handler for alternate means of accessing menu
     //
@@ -270,26 +270,26 @@
         return JAX.ContextMenu(event,math,true);
       }
     },
-    
+
     ClearSelection: function () {
       if (ME.safariContextMenuBug) {setTimeout("window.getSelection().empty()",0)}
       if (document.selection) {setTimeout("document.selection.empty()",0)}
     },
-    
+
     getBBox: function (span) {
       span.appendChild(ME.topImg);
       var h = ME.topImg.offsetTop, d = span.offsetHeight-h, w = span.offsetWidth;
       span.removeChild(ME.topImg);
       return {w:w, h:h, d:d};
     }
-    
+
   };
-  
+
   //
   //  Handle hover "discoverability"
   //
   var HOVER = ME.Hover = {
-    
+
     //
     //  Check if we are moving from a non-MathJax element to a MathJax one
     //  and either start fading in again (if it is fading out) or start the
@@ -336,7 +336,7 @@
         return EVENT.False(event);
       }
     },
-    
+
     //
     //  Clear the old timer and start a new one
     //
@@ -347,7 +347,7 @@
     ClearHoverTimer: function () {
       if (this.hoverTimer) {clearTimeout(this.hoverTimer); delete this.hoverTimer}
     },
-    
+
     //
     //  Handle putting up the hover frame
     //
@@ -458,7 +458,7 @@
         jax.hover.timer = setTimeout(CALLBACK(["HoverFade",this,jax]),(delay||CONFIG.fadeDelay));
       }
     },
-    
+
     //
     //  Handle a click on the menu button
     //
@@ -466,7 +466,7 @@
       if (!event) {event = window.event}
       return OUTPUT[this.jax].ContextMenu(event,this.math,true);
     },
-    
+
     //
     //  Clear all hover timers
     //
@@ -476,7 +476,7 @@
       HOVER.ClearHoverTimer();
       delete jax.hover;
     },
-    
+
     //
     //  Make a measurement in pixels
     //
@@ -496,9 +496,9 @@
     }
 
   };
-  
+
   //
-  //  Handle touch events.  
+  //  Handle touch events.
   //
   //  Use double-tap-and-hold as a replacement for context menu event.
   //  Use double-tap as a replacement for double click.
@@ -507,7 +507,7 @@
 
     last: 0,          // time of last tap event
     delay: 500,       // delay time for double-click
-    
+
     //
     //  Check if this is a double-tap, and if so, start the timer
     //  for the double-tap and hold (to trigger the contextual menu)
@@ -521,9 +521,9 @@
         event.preventDefault();
       }
     },
-          
+
     //
-    //  Check if there is a timeout pending, i.e., we have a 
+    //  Check if there is a timeout pending, i.e., we have a
     //  double-tap and were waiting to see if it is held long
     //  enough for the menu.  Since we got the end before the
     //  timeout, it is a double-click, not a double-tap-and-hold.
@@ -539,7 +539,7 @@
         return EVENT.Handler((event.touches[0]||event.touch),"DblClick",this);
       }
     },
-        
+
     //
     //  If the timeout passes without an end event, we issue
     //  the contextual menu event.
@@ -548,10 +548,10 @@
       delete TOUCH.timeout; TOUCH.last = 0; TOUCH.up = false;
       return EVENT.Handler((event.touches[0]||event.touch),"ContextMenu",math);
     }
-    
+
   };
-  
+
-  /* 
+  /*
    * //
    * //  Mobile screens are small, so use larger version of arrow
    * //
@@ -561,7 +561,7 @@
    *   CONFIG.button.x = -6;
    * }
    */
-  
+
   //
   //  Set up browser-specific values
   //
@@ -584,7 +584,7 @@
       ME.noContextMenuBug = true;      // doesn't produce contextmenu event
     }
   });
-  
+
   //
   //  Used in measuring zoom and hover positions
   //
@@ -605,7 +605,7 @@
       haze["-moz-box-shadow"] = haze["-khtml-box-shadow"] =
         "0px 0px "+CONFIG.frame.hwidth+" "+CONFIG.frame.hcolor;
   };
-  
+
   //
   //  Queue the events needed for startup
   //
@@ -617,6 +617,6 @@
     ["Post",HUB.Startup.signal,"MathEvents Ready"],
     ["loadComplete",AJAX,"[MathJax]/extensions/MathEvents.js"]
   );
-  
+
 })(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.Callback,
    MathJax.Localization,MathJax.OutputJax,MathJax.InputJax);

unpacked/extensions/MathMenu.js

@@ -4,21 +4,21 @@
 /*************************************************************
  *
  *  MathJax/extensions/MathMenu.js
- *  
+ *
  *  Implements a right-mouse (or CTRL-click) menu over mathematics
  *  elements that gives the user the ability to copy the source,
  *  change the math size, and zoom settings.
  *
  *  ---------------------------------------------------------------------
- *  
+ *
  *  Copyright (c) 2010-2015 The MathJax Consortium
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -30,7 +30,7 @@
   var VERSION = "2.5.0";
 
   var SIGNAL = MathJax.Callback.Signal("menu");  // signal for menu events
-  
+
   MathJax.Extension.MathMenu = {
     version: VERSION,
     signal: SIGNAL
@@ -45,7 +45,7 @@
 
   var isPC = HUB.Browser.isPC, isMSIE = HUB.Browser.isMSIE, isIE9 = ((document.documentMode||0) > 8);
   var ROUND = (isPC ? null : "5px");
-  
+
   var CONFIG = HUB.CombineConfig("MathMenu",{
     delay: 150,                                    // the delay for submenus
 
@@ -72,7 +72,7 @@
       left: Math.round((screen.width - 400)/2),
       top:  Math.round((screen.height - 300)/3)
     },
-    
+
     styles: {
       "#MathJax_About": {
         position:"fixed", left:"50%", width:"auto", "text-align":"center",
@@ -143,28 +143,28 @@
         padding: (isPC ? "2px 2em 4px 1.33em" : "1px 2em 3px 1.33em"),
         "font-style":"italic"
       },
-    
+
       ".MathJax_MenuRule": {
         "border-top": (isPC ? "1px solid #CCCCCC" : "1px solid #DDDDDD"),
         margin: (isPC ? "4px 1px 0px" : "4px 3px")
       },
-     
+
       ".MathJax_MenuDisabled": {
         color:"GrayText"
       },
-     
+
       ".MathJax_MenuActive": {
         "background-color": (isPC ? "Highlight" : "#606872"),
         color: (isPC ? "HighlightText" : "white")
       },
-      
+
       "#MathJax_AboutClose": {
         top:".2em", right:".2em"
       },
       ".MathJax_Menu .MathJax_MenuClose": {
         top:"-10px", left:"-10px"
       },
-      
+
       ".MathJax_MenuClose": {
         position:"absolute",
         cursor:"pointer",
@@ -184,7 +184,7 @@
         "-webkit-border-radius": "18px",             // Safari and Chrome
         "-moz-border-radius": "18px",                // Firefox
         "-khtml-border-radius": "18px",              // Konqueror
-        "line-height":0, 
+        "line-height":0,
         padding:"8px 0 6px"     // may need to be browser-specific
       },
       ".MathJax_MenuClose:hover": {
@@ -197,7 +197,7 @@
 
     }
   });
-  
+
   var FALSE, HOVER, KEY;
   HUB.Register.StartupHook("MathEvents Ready",function () {
     FALSE = MathJax.Extension.MathEvents.Event.False;
@@ -247,7 +247,7 @@
     Down: function(event, menu) { },
     Space: function(event, menu) { }
   }, {});
-  
+
 
   /*************************************************************/
   /*
@@ -259,7 +259,7 @@
     posted: false,
     title: null,
     margin: 5,
-    
+
     Init: function (def) {this.items = [].slice.call(arguments,0)},
     With: function (def) {if (def) {HUB.Insert(this,def)}; return this},
 
@@ -290,7 +290,7 @@
           ontouchstart: MENU.Close, ontouchend: FALSE, onmousedown: MENU.Close, onmouseup: FALSE
         },[["span",{},"\u00D7"]]);
       }
-      
+
       div.appendChild(menu);
       this.posted = true;
       menu.style.width = (menu.offsetWidth+2) + "px";
@@ -332,9 +332,9 @@
           menu.style["KhtmlBorderRadiusTop"+side] = 0;  // Konqueror
         }
       }
-      
+
       menu.style.left = x+"px"; menu.style.top = y+"px";
-      
+
       if (document.selection && document.selection.empty) {document.selection.empty()}
       MENU.Focus(menu);
       return FALSE(event);
@@ -376,7 +376,7 @@
       }
       return null;
     },
-    
+
     /*
      *  Find the index of a menu item (so we can insert before or after it)
      */
@@ -387,7 +387,7 @@
         {if (this.items[i].name[n] === name) {return i}}
       return null;
     },
-    
+
     Right: function(event, menu) {
       MENU.Right(event, menu);
     },
@@ -403,7 +403,7 @@
       item.Activate(event, item.GetNode());
     }
   },{
-    
+
     config: CONFIG,
 
     div: null,     // the DOM elements for the menu and submenus
@@ -484,7 +484,7 @@
     node: null,   // The node the menu was activated on.
     active: null,   // The currently focused item. There can only be one!
     posted: false,  // Is a menu open?
-    
+
     GetJaxs: function() {
       var nodes = document.getElementsByClassName('MathJax');
       for (var i = 0, node; node = nodes[i]; i++) {
@@ -555,14 +555,14 @@
     Mod: function(a, n) {
       return ((a % n) + n) % n;
     },
-    
+
     saveCookie: function () {HTML.Cookie.Set("menu",this.cookie)},
     getCookie: function () {this.cookie = HTML.Cookie.Get("menu")}
 
   });
 
   MathJax.Menu.NAV = NAV;
-  
+
   /*************************************************************/
   /*
    *  Abstract class of menu items.
@@ -572,7 +572,7 @@
     name: "", // The menu item's label as [id,label] pair.
     node: null,  // The HTML node of the item.
     menu: null,  // The parent menu containing that item. HTML node.
-    
+
     /*
      *  Accessor method for node.
      */
@@ -608,7 +608,7 @@
 
     Mouseover: function (event,menu) {
       if (menu.parentNode === MENU.active.parentNode) {
-       this.Deactivate(MENU.active); 
+       this.Deactivate(MENU.active);
       }
       this.Activate(event, menu);
     },
@@ -639,7 +639,7 @@
         m--;
       }
     },
-    
+
     Touchstart: function (event,menu) {return this.TouchEvent(event,menu,"Mousedown")},
     Touchend: function (event,menu)   {return this.TouchEvent(event,menu,"Mouseup")},
     TouchEvent: function (event,menu,type) {
@@ -652,7 +652,7 @@
       MENU.Event(event,menu,type);
       return false;
     },
-    
+
     Remove: function (event,menu) {
       menu = menu.parentNode.menuItem;
       return menu.Remove(event,menu);
@@ -673,7 +673,7 @@
       menu.className = menu.className.replace(/ MathJax_MenuActive/,"")},
 
     With: function (def) {if (def) {HUB.Insert(this,def)}; return this},
-    
+
     isRTL: function () {return MENU.isRTL},
     rtlClass: function () {return (this.isRTL() ? " RTL" : "")}
   });
@@ -685,7 +685,7 @@
   MENU.ENTRY = MENU.ITEM.Subclass({
 
     role: "menuitem",  // Aria role.
-    
+
     Attributes: function() {
       var def = this.SUPER(arguments).Attributes.call(
         this,
@@ -739,7 +739,7 @@
     Space: function (event, menu) {
       this.Mouseup(event, menu);
     },
-    
+
     Activate: function (event, menu) {
       this.Deactivate(menu);
       if (!this.disabled) {
@@ -753,7 +753,7 @@
     }
 
   });
-  
+
   /*************************************************************/
   /*
    *  A menu item that performs a command when selected
@@ -766,7 +766,7 @@
       this.name = name; this.action = action;
       this.With(def);
     },
-    
+
     Label: function (def,menu) {return [this.Name()]},
     //TODO: Focus the popup.
     Mouseup: function (event,menu) {
@@ -866,7 +866,7 @@
     variable: null,     // the variable name
     marker: (isPC ? "\u25CF" : "\u2713"),   // the checkmark
     role: "menuitemradio",
-    
+
     Init: function (name,variable,def) {
       if (!(name instanceof Array)) {name = [name,name]}  // make [id,label] pair
       this.name = name; this.variable = variable; this.With(def);
@@ -885,7 +885,7 @@
           if (item && item.variable === this.variable)
             {child[i].firstChild.style.display = "none"}
         }
-        menu.firstChild.display = ""; 
+        menu.firstChild.display = "";
         CONFIG.settings[this.variable] = this.value;
         MENU.cookie[this.variable] = CONFIG.settings[this.variable]; MENU.saveCookie();
         SIGNAL.Post(["radio button",this]);
@@ -930,7 +930,7 @@
   /*************************************************************/
   /*
    *  A menu item that is a label
-   */ 
+   */
   MENU.ITEM.LABEL = MENU.ENTRY.Subclass({
     role: "menuitem",  // Aria role.
 
@@ -959,7 +959,7 @@
       return null;
     }
   });
-  
+
   /*************************************************************/
   /*************************************************************/
 
@@ -968,7 +968,7 @@
    */
   MENU.About = function () {
     var HTMLCSS = OUTPUT["HTML-CSS"] || {};
-    var font = 
+    var font =
        (HTMLCSS.imgFonts ? "image" :
        (HTMLCSS.fontInUse ?
          (HTMLCSS.webFonts ? "web" : "local")+" "+HTMLCSS.fontInUse :
@@ -983,7 +983,7 @@
     jax.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);
     MENU.About.GetJax(jax,MathJax.Extension,["Extension","%1 Extension v%2"],true);
     jax.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[
-      HUB.Browser + " v"+HUB.Browser.version + (format ? 
+      HUB.Browser + " v"+HUB.Browser.version + (format ?
         " \u2014 " + _(format.replace(/ /g,""),format) : "")
     ]]);
     MENU.About.div = MENU.Background(MENU.About);
@@ -994,7 +994,7 @@
       _(font.replace(/ /g,""),"using "+font),["br"],["br"],
       ["span",{style:{
         display:"inline-block", "text-align":"left", "font-size":"80%",
-        "max-height":"20em", overflow:"auto", 
+        "max-height":"20em", overflow:"auto",
         "background-color":"#E4E4E4", padding:".4em .6em", border:"1px inset"
       }},jax],["br"],["br"],
       ["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]],
@@ -1027,7 +1027,7 @@
     return jax;
   };
 
-  
+
   /*
    *  Handle the MathJax HELP menu
    */
@@ -1035,7 +1035,7 @@
     AJAX.Require("[MathJax]/extensions/HelpDialog.js",
                  function () {MathJax.Extension.Help.Dialog()});
   };
-  
+
   /*
    *  Handle showing of element's source
    */
@@ -1119,7 +1119,7 @@
       },50);
     }
   };
-  
+
   /*
    *  Handle rescaling all the math
    */
@@ -1143,14 +1143,14 @@
                       "The scale should be a percentage (e.g., 120%%)"))}
     }
   };
-  
+
   /*
    *  Handle loading the zoom code
    */
   MENU.Zoom = function () {
     if (!MathJax.Extension.MathZoom) {AJAX.Require("[MathJax]/extensions/MathZoom.js")}
   };
-  
+
   /*
    *  Handle changing the renderer
    */
@@ -1164,7 +1164,7 @@
       switch (CONFIG.settings.renderer) {
         case "NativeMML":
           if (!CONFIG.settings.warnedMML) {
-            if (BROWSER.isChrome && BROWSER.version.substr(0,3) !== "24.") {message = MESSAGE.MML.WebKit} 
+            if (BROWSER.isChrome && BROWSER.version.substr(0,3) !== "24.") {message = MESSAGE.MML.WebKit}
             else if (BROWSER.isSafari && !BROWSER.versionAtLeast("5.0")) {message = MESSAGE.MML.WebKit}
             else if (BROWSER.isMSIE) {if (!BROWSER.hasMathPlayer) {message = MESSAGE.MML.MSIE}}
             else {message = MESSAGE.MML[BROWSER]}
@@ -1176,7 +1176,7 @@
           if (!CONFIG.settings.warnedSVG) {
             if (BROWSER.isMSIE && !isIE9) {message = MESSAGE.SVG.MSIE}
           }
-          break;  
+          break;
       }
       if (message) {
         message = _(message[0],message[1]);
@@ -1209,7 +1209,7 @@
       MSIE:    ["MSIENativeMMLWarning",
                  "Internet Explorer requires the MathPlayer plugin " +
                  "in order to process MathML output."],
-      
+
       Opera:   ["OperaNativeMMLWarning",
                  "Opera's support for MathML is limited, so switching to " +
                  "MathML output may cause some expressions to render poorly."],
@@ -1222,7 +1222,7 @@
                  "Your browser's native MathML does not implement all the features " +
                  "used by MathJax, so some expressions may not render properly."]
     },
-    
+
     SVG: {
       MSIE:    ["MSIESVGWarning",
                  "SVG is not implemented in Internet Explorer prior to " +
@@ -1231,7 +1231,7 @@
                  "not display properly."]
     }
   };
-  
+
   /*
    *  Handle setting the HTMLCSS fonts
    */
@@ -1239,7 +1239,7 @@
     var HTMLCSS = OUTPUT["HTML-CSS"]; if (!HTMLCSS) return;
     document.location.reload();
   };
-  
+
   /*
    *  Handle selection of locale and rerender the page
    */
@@ -1261,7 +1261,7 @@
       });
     }
   };
-  
+
   /*
    *  Handle setting MathPlayer events
    */
@@ -1294,7 +1294,7 @@
       "The MathJax contextual menu will be disabled, but you can " +
       "Alt-Click on an expression to obtain the MathJax menu instead."]
   };
-  
+
   /*************************************************************/
   /*************************************************************/
 
@@ -1475,7 +1475,7 @@
         trigger.items[0].disabled = trigger.items[1].disabled = true;
         if (settings.zoom === "Hover" || settings.zoom == "Click") {settings.zoom = "None"}
         trigger.items = trigger.items.slice(0,4);
-    
+
         if (navigator.appVersion.match(/[ (]Android[) ]/)) {
           MENU.ITEM.SUBMENU.Augment({marker: "\u00BB"});
         }
@@ -1485,7 +1485,7 @@
     MENU.CreateLocaleMenu();
     MENU.CreateAnnotationMenu();
   });
-  
+
   MENU.showRenderer = function (show) {
     MENU.cookie.showRenderer = CONFIG.showRenderer = show; MENU.saveCookie();
     MENU.menu.Find("Math Settings","Math Renderer").hidden = !show;
@@ -1511,12 +1511,12 @@
     MENU.cookie.showLocale = CONFIG.showLocale = show; MENU.saveCookie();
     MENU.menu.Find("Language").hidden = !show;
   };
-  
+
   MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
     if (!MathJax.OutputJax["HTML-CSS"].config.imageFont)
       {MENU.menu.Find("Math Settings","Font Preference","TeX (image)").disabled = true}
   });
-  
+
   /*************************************************************/
 
   CALLBACK.Queue(