diff --git a/lib/ace/keyboard/vim.js b/lib/ace/keyboard/vim.js
index 0641897f..c709b67e 100644
--- a/lib/ace/keyboard/vim.js
+++ b/lib/ace/keyboard/vim.js
@@ -1135,9 +1135,11 @@ dom.importCssString(".normal-mode .ace_cursor{\
     }
 
     var numberRegex = /[\d]/;
-    var wordRegexp = [{test: CodeMirror.isWordChar}, {test: function(ch) {
-      return !CodeMirror.isWordChar(ch) && !/\s/.test(ch);
-    }}], bigWordRegexp = [(/\S/)];
+    var wordCharTest = [CodeMirror.isWordChar, function(ch) {
+      return ch && !CodeMirror.isWordChar(ch) && !/\s/.test(ch);
+    }], bigWordCharTest = [function(ch) {
+      return /\S/.test(ch);
+    }];
     function makeKeyRange(start, size) {
       var keys = [];
       for (var i = start; i < start + size; i++) {
@@ -1417,6 +1419,8 @@ dom.importCssString(".normal-mode .ace_cursor{\
       // Testing hook.
       maybeInitVimState_: maybeInitVimState,
 
+      suppressErrorLogging: false,
+
       InsertModeKey: InsertModeKey,
       map: function(lhs, rhs, ctx) {
         // Add user defined key bindings.
@@ -1567,7 +1571,9 @@ dom.importCssString(".normal-mode .ace_cursor{\
                 // clear VIM state in case it's in a bad state.
                 cm.state.vim = undefined;
                 maybeInitVimState(cm);
-                console['log'](e);
+                if (!CodeMirror.Vim.suppressErrorLogging) {
+                  console['log'](e);
+                }
                 throw e;
               }
               return true;
@@ -1577,7 +1583,16 @@ dom.importCssString(".normal-mode .ace_cursor{\
       },
       handleEx: function(cm, input) {
         exCommandDispatcher.processCommand(cm, input);
-      }
+      },
+
+      defineMotion: defineMotion,
+      defineAction: defineAction,
+      defineOperator: defineOperator,
+      mapCommand: mapCommand,
+      _mapCommand: _mapCommand,
+
+      exitVisualMode: exitVisualMode,
+      exitInsertMode: exitInsertMode
     };
 
     // Represents the current input state.
@@ -1827,12 +1842,10 @@ dom.importCssString(".normal-mode .ace_cursor{\
             break;
           case 'search':
             this.processSearch(cm, vim, command);
-            clearInputState(cm);
             break;
           case 'ex':
           case 'keyToEx':
             this.processEx(cm, vim, command);
-            clearInputState(cm);
             break;
           default:
             break;
@@ -1925,6 +1938,7 @@ dom.importCssString(".normal-mode .ace_cursor{\
             updateSearchQuery(cm, query, ignoreCase, smartCase);
           } catch (e) {
             showConfirm(cm, 'Invalid regex: ' + query);
+            clearInputState(cm);
             return;
           }
           commandDispatcher.processMotion(cm, vim, {
@@ -1974,6 +1988,7 @@ dom.importCssString(".normal-mode .ace_cursor{\
             clearSearchHighlight(cm);
             cm.scrollTo(originalScrollPos.left, originalScrollPos.top);
             CodeMirror.e_stop(e);
+            clearInputState(cm);
             close();
             cm.focus();
           }
@@ -2040,6 +2055,7 @@ dom.importCssString(".normal-mode .ace_cursor{\
             vimGlobalState.exCommandHistoryController.pushInput(input);
             vimGlobalState.exCommandHistoryController.reset();
             CodeMirror.e_stop(e);
+            clearInputState(cm);
             close();
             cm.focus();
           }
@@ -2250,7 +2266,7 @@ dom.importCssString(".normal-mode .ace_cursor{\
           var operatorMoveTo = operators[operator](
             cm, operatorArgs, cmSel.ranges, oldAnchor, newHead);
           if (vim.visualMode) {
-            exitVisualMode(cm);
+            exitVisualMode(cm, operatorMoveTo != null);
           }
           if (operatorMoveTo) {
             cm.setCursor(operatorMoveTo);
@@ -2627,6 +2643,10 @@ dom.importCssString(".normal-mode .ace_cursor{\
       }
     };
 
+    function defineMotion(name, fn) {
+      motions[name] = fn;
+    }
+
     function fillArray(val, times) {
       var arr = [];
       for (var i = 0; i < times; i++) {
@@ -2709,7 +2729,7 @@ dom.importCssString(".normal-mode .ace_cursor{\
         vimGlobalState.registerController.pushText(
             args.registerName, 'delete', text,
             args.linewise, vim.visualBlock);
-        return finalHead;
+        return clipCursorToContent(cm, finalHead);
       },
       indent: function(cm, args, ranges) {
         var vim = cm.state.vim;
@@ -2777,6 +2797,10 @@ dom.importCssString(".normal-mode .ace_cursor{\
       }
     };
 
+    function defineOperator(name, fn) {
+      operators[name] = fn;
+    }
+
     var actions = {
       jumpListWalk: function(cm, actionArgs, vim) {
         if (vim.visualMode) {
@@ -2993,6 +3017,11 @@ dom.importCssString(".normal-mode .ace_cursor{\
         if (vim.visualMode) {
           curStart = cm.getCursor('anchor');
           curEnd = cm.getCursor('head');
+          if (cursorIsBefore(curEnd, curStart)) {
+            var tmp = curEnd;
+            curEnd = curStart;
+            curStart = tmp;
+          }
           curEnd.ch = lineLength(cm, curEnd.line) - 1;
         } else {
           // Repeat is the number of lines to join. Minimum 2 lines.
@@ -3011,10 +3040,10 @@ dom.importCssString(".normal-mode .ace_cursor{\
           cm.replaceRange(text, curStart, tmp);
         }
         var curFinalPos = Pos(curStart.line, finalCh);
-        cm.setCursor(curFinalPos);
         if (vim.visualMode) {
-          exitVisualMode(cm);
+          exitVisualMode(cm, false);
         }
+        cm.setCursor(curFinalPos);
       },
       newLineAndEnterInsertMode: function(cm, actionArgs, vim) {
         vim.insertMode = true;
@@ -3177,7 +3206,7 @@ dom.importCssString(".normal-mode .ace_cursor{\
           }
         }
         if (vim.visualMode) {
-          exitVisualMode(cm);
+          exitVisualMode(cm, false);
         }
         cm.setCursor(curPosFinal);
       },
@@ -3235,7 +3264,7 @@ dom.importCssString(".normal-mode .ace_cursor{\
             curStart = cursorIsBefore(selections[0].anchor, selections[0].head) ?
                          selections[0].anchor : selections[0].head;
             cm.setCursor(curStart);
-            exitVisualMode(cm);
+            exitVisualMode(cm, false);
           } else {
             cm.setCursor(offsetCursor(curEnd, 0, -1));
           }
@@ -3283,6 +3312,10 @@ dom.importCssString(".normal-mode .ace_cursor{\
       exitInsertMode: exitInsertMode
     };
 
+    function defineAction(name, fn) {
+      actions[name] = fn;
+    }
+
     /*
      * Below are miscellaneous utility functions used by vim.js
      */
@@ -3412,9 +3445,6 @@ dom.importCssString(".normal-mode .ace_cursor{\
     function lineLength(cm, lineNum) {
       return cm.getLine(lineNum).length;
     }
-    function reverse(s){
-      return s.split('').reverse().join('');
-    }
     function trim(s) {
       if (s.trim) {
         return s.trim();
@@ -3728,59 +3758,38 @@ dom.importCssString(".normal-mode .ace_cursor{\
 
       // Seek to first word or non-whitespace character, depending on if
       // noSymbol is true.
-      var textAfterIdx = line.substring(idx);
-      var firstMatchedChar;
-      if (noSymbol) {
-        firstMatchedChar = textAfterIdx.search(/\w/);
-      } else {
-        firstMatchedChar = textAfterIdx.search(/\S/);
+      var test = noSymbol ? wordCharTest[0] : bigWordCharTest [0];
+      while (!test(line.charAt(idx))) {
+        idx++;
+        if (idx >= line.length) { return null; }
       }
-      if (firstMatchedChar == -1) {
-        return null;
-      }
-      idx += firstMatchedChar;
-      textAfterIdx = line.substring(idx);
-      var textBeforeIdx = line.substring(0, idx);
 
-      var matchRegex;
-      // Greedy matchers for the "word" we are trying to expand.
       if (bigWord) {
-        matchRegex = /^\S+/;
+        test = bigWordCharTest[0];
       } else {
-        if ((/\w/).test(line.charAt(idx))) {
-          matchRegex = /^\w+/;
-        } else {
-          matchRegex = /^[^\w\s]+/;
+        test = wordCharTest[0];
+        if (!test(line.charAt(idx))) {
+          test = wordCharTest[1];
         }
       }
 
-      var wordAfterRegex = matchRegex.exec(textAfterIdx);
-      var wordStart = idx;
-      var wordEnd = idx + wordAfterRegex[0].length;
-      // TODO: Find a better way to do this. It will be slow on very long lines.
-      var revTextBeforeIdx = reverse(textBeforeIdx);
-      var wordBeforeRegex = matchRegex.exec(revTextBeforeIdx);
-      if (wordBeforeRegex) {
-        wordStart -= wordBeforeRegex[0].length;
-      }
+      var end = idx, start = idx;
+      while (test(line.charAt(end)) && end < line.length) { end++; }
+      while (test(line.charAt(start)) && start >= 0) { start--; }
+      start++;
 
       if (inclusive) {
-        // If present, trim all whitespace after word.
-        // Otherwise, trim all whitespace before word.
-        var textAfterWordEnd = line.substring(wordEnd);
-        var whitespacesAfterWord = textAfterWordEnd.match(/^\s*/)[0].length;
-        if (whitespacesAfterWord > 0) {
-          wordEnd += whitespacesAfterWord;
-        } else {
-          var revTrim = revTextBeforeIdx.length - wordStart;
-          var textBeforeWordStart = revTextBeforeIdx.substring(revTrim);
-          var whitespacesBeforeWord = textBeforeWordStart.match(/^\s*/)[0].length;
-          wordStart -= whitespacesBeforeWord;
+        // If present, include all whitespace after word.
+        // Otherwise, include all whitespace before word, except indentation.
+        var wordEnd = end;
+        while (/\s/.test(line.charAt(end)) && end < line.length) { end++; }
+        if (wordEnd == end) {
+          var wordStart = start;
+          while (/\s/.test(line.charAt(start - 1)) && start > 0) { start--; }
+          if (!start) { start = wordStart; }
         }
       }
-
-      return { start: Pos(cur.line, wordStart),
-               end: Pos(cur.line, wordEnd) };
+      return { start: Pos(cur.line, start), end: Pos(cur.line, end) };
     }
 
     function recordJumpPosition(cm, oldCur, newCur) {
@@ -3938,7 +3947,7 @@ dom.importCssString(".normal-mode .ace_cursor{\
       var pos = cur.ch;
       var line = cm.getLine(lineNum);
       var dir = forward ? 1 : -1;
-      var regexps = bigWord ? bigWordRegexp : wordRegexp;
+      var charTests = bigWord ? bigWordCharTest: wordCharTest;
 
       if (emptyLineIsWord && line == '') {
         lineNum += dir;
@@ -3958,11 +3967,11 @@ dom.importCssString(".normal-mode .ace_cursor{\
         // Find bounds of next word.
         while (pos != stop) {
           var foundWord = false;
-          for (var i = 0; i < regexps.length && !foundWord; ++i) {
-            if (regexps[i].test(line.charAt(pos))) {
+          for (var i = 0; i < charTests.length && !foundWord; ++i) {
+            if (charTests[i](line.charAt(pos))) {
               wordStart = pos;
               // Advance to end of word.
-              while (pos != stop && regexps[i].test(line.charAt(pos))) {
+              while (pos != stop && charTests[i](line.charAt(pos))) {
                 pos += dir;
               }
               wordEnd = pos;
@@ -4279,6 +4288,12 @@ dom.importCssString(".normal-mode .ace_cursor{\
       },
       setReversed: function(reversed) {
         vimGlobalState.isReversed = reversed;
+      },
+      getScrollbarAnnotate: function() {
+        return this.annotate;
+      },
+      setScrollbarAnnotate: function(annotate) {
+        this.annotate = annotate;
       }
     };
     function getSearchState(cm) {
@@ -4557,14 +4572,21 @@ dom.importCssString(".normal-mode .ace_cursor{\
       };
     }
     function highlightSearchMatches(cm, query) {
-      var overlay = getSearchState(cm).getOverlay();
+      var searchState = getSearchState(cm);
+      var overlay = searchState.getOverlay();
       if (!overlay || query != overlay.query) {
         if (overlay) {
           cm.removeOverlay(overlay);
         }
         overlay = searchOverlay(query);
         cm.addOverlay(overlay);
-        getSearchState(cm).setOverlay(overlay);
+        if (cm.showMatchesOnScrollbar) {
+          if (searchState.getScrollbarAnnotate()) {
+            searchState.getScrollbarAnnotate().clear();
+          }
+          searchState.setScrollbarAnnotate(cm.showMatchesOnScrollbar(query));
+        }
+        searchState.setOverlay(overlay);
       }
     }
     function findNext(cm, prev, query, repeat) {
@@ -4589,8 +4611,13 @@ dom.importCssString(".normal-mode .ace_cursor{\
       });
     }
     function clearSearchHighlight(cm) {
+      var state = getSearchState(cm);
       cm.removeOverlay(getSearchState(cm).getOverlay());
-      getSearchState(cm).setOverlay(null);
+      state.setOverlay(null);
+      if (state.getScrollbarAnnotate()) {
+        state.getScrollbarAnnotate().clear();
+        state.setScrollbarAnnotate(null);
+      }
     }
     /**
      * Check if pos is in the specified range, INCLUSIVE.
@@ -5417,6 +5444,19 @@ dom.importCssString(".normal-mode .ace_cursor{\
       }
     }
 
+    function _mapCommand(command) {
+      defaultKeymap.push(command);
+    }
+
+    function mapCommand(keys, type, name, args, extra) {
+      var command = {keys: keys, type: type};
+      command[type] = name;
+      command[type + "Args"] = args;
+      for (var key in extra)
+        command[key] = extra[key];
+      _mapCommand(command);
+    }
+
     // The timeout in milliseconds for the two-character ESC keymap should be
     // adjusted according to your typing speed to prevent false positives.
     defineOption('insertModeEscKeysTimeout', 200, 'number');
@@ -5597,6 +5637,7 @@ dom.importCssString(".normal-mode .ace_cursor{\
       var macroModeState = vimGlobalState.macroModeState;
       var lastChange = macroModeState.lastInsertModeChanges;
       var keyName = CodeMirror.keyName(e);
+      if (!keyName) { return; }
       function onKeyFound() {
         lastChange.changes.push(new InsertModeKey(keyName));
         return true;
diff --git a/lib/ace/keyboard/vim_test.js b/lib/ace/keyboard/vim_test.js
index 8b726a33..788cfccb 100644
--- a/lib/ace/keyboard/vim_test.js
+++ b/lib/ace/keyboard/vim_test.js
@@ -73,6 +73,9 @@ function test(name, fn) {
 }
 
 vim.CodeMirror.Vim.unmap("Y");
+vim.CodeMirror.Vim.defineEx('write', 'w', function(cm) {
+  CodeMirror.commands.save(cm);
+});
 
 
 
@@ -685,7 +688,7 @@ testVim('dl_eol', function(cm, vim, helpers) {
   var register = helpers.getRegisterController().getRegister();
   eq(' ', register.toString());
   is(!register.linewise);
-  helpers.assertCursorAt(0, 6);
+  helpers.assertCursorAt(0, 5);
 }, { value: ' word1 ' });
 testVim('dl_repeat', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 0);
@@ -767,6 +770,16 @@ testVim('dw_word', function(cm, vim, helpers) {
   is(!register.linewise);
   eqPos(curStart, cm.getCursor());
 }, { value: ' word1 word2' });
+testVim('dw_unicode_word', function(cm, vim, helpers) {
+  helpers.doKeys('d', 'w');
+  eq(cm.getValue().length, 10);
+  helpers.doKeys('d', 'w');
+  eq(cm.getValue().length, 6);
+  helpers.doKeys('d', 'w');
+  eq(cm.getValue().length, 5);
+  helpers.doKeys('d', 'e');
+  eq(cm.getValue().length, 2);
+}, { value: '  \u0562\u0561\u0580\u0587\xbbe\xb5g  ' });
 testVim('dw_only_word', function(cm, vim, helpers) {
   // Test that if there is only 1 word left, dw deletes till the end of the
   // line.
@@ -776,7 +789,7 @@ testVim('dw_only_word', function(cm, vim, helpers) {
   var register = helpers.getRegisterController().getRegister();
   eq('word1 ', register.toString());
   is(!register.linewise);
-  helpers.assertCursorAt(0, 1);
+  helpers.assertCursorAt(0, 0);
 }, { value: ' word1 ' });
 testVim('dw_eol', function(cm, vim, helpers) {
   // Assert that dw does not delete the newline if last word to delete is at end
@@ -787,7 +800,7 @@ testVim('dw_eol', function(cm, vim, helpers) {
   var register = helpers.getRegisterController().getRegister();
   eq('word1', register.toString());
   is(!register.linewise);
-  helpers.assertCursorAt(0, 1);
+  helpers.assertCursorAt(0, 0);
 }, { value: ' word1\nword2' });
 testVim('dw_eol_with_multiple_newlines', function(cm, vim, helpers) {
   // Assert that dw does not delete the newline if last word to delete is at end
@@ -798,7 +811,7 @@ testVim('dw_eol_with_multiple_newlines', function(cm, vim, helpers) {
   var register = helpers.getRegisterController().getRegister();
   eq('word1', register.toString());
   is(!register.linewise);
-  helpers.assertCursorAt(0, 1);
+  helpers.assertCursorAt(0, 0);
 }, { value: ' word1\n\nword2' });
 testVim('dw_empty_line_followed_by_whitespace', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
@@ -844,7 +857,7 @@ testVim('dw_repeat', function(cm, vim, helpers) {
   var register = helpers.getRegisterController().getRegister();
   eq('word1\nword2', register.toString());
   is(!register.linewise);
-  helpers.assertCursorAt(0, 1);
+  helpers.assertCursorAt(0, 0);
 }, { value: ' word1\nword2' });
 testVim('de_word_start_and_empty_lines', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
@@ -1371,7 +1384,7 @@ testVim('D', function(cm, vim, helpers) {
   var register = helpers.getRegisterController().getRegister();
   eq('rd1', register.toString());
   is(!register.linewise);
-  helpers.assertCursorAt(0, 3);
+  helpers.assertCursorAt(0, 2);
 }, { value: ' word1\nword2\n word3' });
 testVim('C', function(cm, vim, helpers) {
   var curStart = makeCursor(0, 3);
@@ -1962,7 +1975,6 @@ testVim('visual_block_move_to_eol', function(cm, vim, helpers) {
   cm.setCursor(0, 0);
   helpers.doKeys('<C-v>', 'G', '$');
   var selections = cm.getSelections().join();
-  console.log(selections);
   eq("123,45,6", selections);
 }, {value: '123\n45\n6'});
 testVim('visual_block_different_line_lengths', function(cm, vim, helpers) {
@@ -2053,6 +2065,11 @@ testVim('visual_join', function(cm, vim, helpers) {
   eq(' 1 2 3\n 4\n 5', cm.getValue());
   is(!vim.visualMode);
 }, { value: ' 1\n 2\n 3\n 4\n 5' });
+testVim('visual_join_2', function(cm, vim, helpers) {
+  helpers.doKeys('G', 'V', 'g', 'g', 'J');
+  eq('1 2 3 4 5 6 ', cm.getValue());
+  is(!vim.visualMode);
+}, { value: '1\n2\n3\n4\n5\n6\n'});
 testVim('visual_blank', function(cm, vim, helpers) {
   helpers.doKeys('v', 'k');
   eq(vim.visualMode, true);
@@ -2260,6 +2277,15 @@ testVim('S_visual', function(cm, vim, helpers) {
   eq('\ncc', cm.getValue());
 }, { value: 'aa\nbb\ncc'});
 
+testVim('d_/', function(cm, vim, helpers) {
+  cm.openDialog = helpers.fakeOpenDialog('match');
+  helpers.doKeys('2', 'd', '/');
+  helpers.assertCursorAt(0, 0);
+  eq('match \n next', cm.getValue());
+  cm.openDialog = helpers.fakeOpenDialog('2');
+  helpers.doKeys('d', ':');
+  // TODO eq(' next', cm.getValue());
+}, { value: 'text match match \n next' });
 testVim('/ and n/N', function(cm, vim, helpers) {
   cm.openDialog = helpers.fakeOpenDialog('match');
   helpers.doKeys('/');
@@ -3204,7 +3230,7 @@ testVim('scrollMotion', function(cm, vim, helpers){
   cm.refresh(); //ace!
   prevScrollInfo = cm.getScrollInfo();
   helpers.doKeys('<C-y>');
-  eq(prevCursor.line - 1, cm.getCursor().line);
+  eq(prevCursor.line - 1, cm.getCursor().line, "Y");
   is(prevScrollInfo.top > cm.getScrollInfo().top);
 }, { value: scrollMotionSandbox});