Fix :bmark!.

--HG--
extra : rebase_source : 0a2fca19627555ada35aa580e58bc5e0e608a756

common/content/bookmarks.js

@@ -34,17 +34,16 @@ const Bookmarks = Module("bookmarks", {
     add: function add(starOnly, title, url, keyword, tags, force) {
         try {
             let uri = util.createURI(url);
-            if (!force && bookmarks.isBookmarked(uri.spec)) {
+            if (force && bookmarks.isBookmarked(uri.spec))
                 // WTF? This seems wrong... --Kris
-                for (let bmark in bookmarkcache) {
+                for (let bmark in bookmarkcache)
                     if (bmark[0] == uri.spec) {
                         var id = bmark[5];
                         if (title)
                             services.get("bookmarks").setItemTitle(id, title);
                         break;
                     }
-                }
-            }
+
             if (id == undefined)
                 id = services.get("bookmarks").insertBookmark(
                          services.get("bookmarks")[starOnly ? "unfiledBookmarksFolder" : "bookmarksMenuFolder"],

common/content/commands.js

@@ -914,6 +914,7 @@ const Commands = Module("commands", {
             // dynamically get completions as specified with the command's completer function
             let command = cmd && commands.get(cmd);
             if (!command) {
+                context.highlight();
                 context.highlight(0, cmd && cmd.length, "SPELLCHECK");
                 return;
             }

common/content/hints.js

@@ -266,6 +266,7 @@ const Hints = Module("hints", {
 
             hint.span = baseNodeAbsolute.cloneNode(true);
 
+            rect = elem.getClientRects()[0] || rect;
             let leftPos = Math.max((rect.left + offsetX), offsetX);
             let topPos =  Math.max((rect.top + offsetY), offsetY);