Back out part of my last commit.

content/buffer.js

@@ -61,8 +61,7 @@ liberator.Buffer = function () //{{{
             if (sheets.some(function (s) s[0] == filter && s[1] == css))
                 return null;
             sheets.push([filter, css]);
-            let uri = cssUri(wrapCSS(filter, css));
-            this.registerSheet(uri, sss.USER_SHEET);
+            this.registerSheet(cssUri(wrapCSS(filter, css)));
             return null;
         }
 
@@ -71,8 +70,8 @@ liberator.Buffer = function () //{{{
             if (number >= sheets.length)
                 return false;
             let sheet = sheets.splice(number)[0];
-            let uri = cssUri(wrapCSS(sheet[0], sheet[1]));
-            this.unregisterSheet(uri, sss.USER_SHEET);
+            let uri = 
+            this.unregisterSheet(cssUri(wrapCSS(sheet[0], sheet[1])));
             return true;
         }
 
@@ -152,18 +151,6 @@ liberator.Buffer = function () //{{{
 
     let styles = liberator.storage.newObject(styles, Styles, false);
 
-    for (let sheet in arrayIter(liberator.config.userSheets || []))
-        styles.registerSheet(sheet);
-
-    /* FIXME: This doesn't belong here. */
-    let mainWindowID = liberator.config.mainWindowID || "main-window";
-    let fontSize = document.defaultView.getComputedStyle(document.getElementById(mainWindowID), null)
-                                       .getPropertyValue("font-size");
-
-    let name = liberator.config.name.toLowerCase();
-    let error = styles.addSheet("chrome://" + name + "/skin/blank-" + name + ".xhtml",
-        "body { font-size: " + fontSize + "}");
-
     function setZoom(value, fullZoom)
     {
         if (value < 1 || value > 2000)
@@ -1398,14 +1385,10 @@ liberator.Buffer = function () //{{{
 
             // add the frame indicator
             var doc = frames[next].document;
-
-            /* Doesn't unapply...
-            var class = doc.body.class || "";
-            doc.body.setAttribute("class", class + " liberator-frame-indicator");
-            setTimeout(function () doc.body.setAttribute("class", class), 500);
-            */
-
-            var indicator = <div id="liberator-frame-indicator"/>;
+            var indicator =
+                <div id="liberator-frame-indicator"
+                     style="background-color: red; opacity: 0.5; z-index: 999
+                            position: fixed; top: 0; bottom: 0; left: 0; right: 0"/>;
             doc.body.appendChild(liberator.util.xmlToDom(indicator));
 
             // remove the frame indicator

content/ui.js

@@ -121,7 +121,8 @@ liberator.CommandLine = function () //{{{
 
     // the widget used for multiline output
     var multilineOutputWidget = document.getElementById("liberator-multiline-output");
-    liberator.util.blankDocument(multilineOutputWidget, "liberator-multiline-output-content");
+    multilineOutputWidget.setAttribute("src",
+        liberator.util.blankDocument("liberator-multiline-output-content"));
 
     var outputContainer = multilineOutputWidget.parentNode;
 
@@ -1196,7 +1197,7 @@ liberator.ItemList = function (id) //{{{
     var doc;
     var container = iframe.parentNode;
 
-    liberator.util.blankDocument(iframe, id + "-content");
+    iframe.setAttribute("src", liberator.util.blankDocument(id + "-content"));
 
     var completions = []; // a reference to the Array of completions
     var listOffset = -1;  // how many items is the displayed list shifted from the internal tab index

content/util.js

@@ -77,11 +77,22 @@ liberator.util = { //{{{
             yield ary[i];
     },
 
-    blankDocument: function (iframe, bodyId)
+    blankDocument: function (bodyId)
     {
-        let name = liberator.config.name.toLowerCase();
-        iframe.addEventListener("load", function () iframe.contentDocument.body.setAttribute("id", bodyId), true);
-        iframe.setAttribute("src", "chrome://" + name + "/skin/blank-" + name + ".xhtml");
+        let mainWindowID = liberator.config.mainWindowID || "main-window";
+        let fontSize = document.defaultView.getComputedStyle(document.getElementById(mainWindowID), null)
+                                           .getPropertyValue("font-size");
+
+        return 'data:application/xhtml+xml,' + encodeURI('<?xml version="1.0" encoding="UTF-8"?>' +
+            '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">' +
+                  <html xmlns="http://www.w3.org/1999/xhtml">
+                      <head>
+                          <title/>
+                          <link rel="stylesheet" type="text/css"
+                                href={"chrome://" + liberator.config.name.toLowerCase() + "/skin/vimperator.css"}/>
+                      </head>
+                      <body id={bodyId} style={"font-size: " + fontSize}/>
+                  </html>)
     },
 
     clip: function (str, length)