diff --git a/botanjs/src/Components/Vim/Actions/BUFFERS.js b/botanjs/src/Components/Vim/Actions/BUFFERS.js
index 9248877..19ec446 100644
--- a/botanjs/src/Components/Vim/Actions/BUFFERS.js
+++ b/botanjs/src/Components/Vim/Actions/BUFFERS.js
@@ -48,10 +48,12 @@
 
 		var msg = ":buffers";
 
-		for( var i in Insts )
+		var l = Insts.length;
+		for( var i = 0; i < l; i ++ )
 		{
 			/** @type {Components.Vim.VimArea} */
 			var inst = Insts[ i ];
+			if( !inst ) continue;
 
 			var b = inst.index + " ";
 			var icur = inst.contentFeeder.cursor;
diff --git a/botanjs/src/Components/Vim/Actions/EDITOR_COMMAND.js b/botanjs/src/Components/Vim/Actions/EDITOR_COMMAND.js
index 7b2a6f1..78ff532 100644
--- a/botanjs/src/Components/Vim/Actions/EDITOR_COMMAND.js
+++ b/botanjs/src/Components/Vim/Actions/EDITOR_COMMAND.js
@@ -79,6 +79,9 @@
 			case "registers":
 				out[ CMD_TYPE ] = "REGISTERS";
 				break;
+			case "marks":
+				out[ CMD_TYPE ] = "MARKS";
+				break;
 			case "ver":
 			case "version":
 				out[ CMD_TYPE ] = "VERSION";
@@ -90,6 +93,13 @@
 			case "varec":
 				out[ CMD_TYPE ] = "VA_REC";
 				break;
+
+			case "": // Range jumping
+				pattern.push( true );
+			case "p":
+				allowRange = true;
+				out[ CMD_TYPE ] = "PRINT";
+				break;
 		}
 
 		if( range !== "" )
diff --git a/botanjs/src/Components/Vim/Actions/JOIN_LINES.js b/botanjs/src/Components/Vim/Actions/JOIN_LINES.js
index 4f21af6..4362765 100644
--- a/botanjs/src/Components/Vim/Actions/JOIN_LINES.js
+++ b/botanjs/src/Components/Vim/Actions/JOIN_LINES.js
@@ -66,7 +66,10 @@
 
 			var content = feeder.content;
 
-			contentUndo = feeder.content.substring( start, end );
+			var l = content.length;
+			while( "\t ".indexOf( content[ end ] ) != -1 && end < l ) end ++;
+
+			contentUndo = content.substring( start, end );
 			feeder.content = content.substring( 0, start ) + " " + content.substr( end );
 		}
 
diff --git a/botanjs/src/Components/Vim/Actions/MARKS.js b/botanjs/src/Components/Vim/Actions/MARKS.js
new file mode 100644
index 0000000..4ffe01f
--- /dev/null
+++ b/botanjs/src/Components/Vim/Actions/MARKS.js
@@ -0,0 +1,83 @@
+(function(){
+	var ns = __namespace( "Components.Vim.Actions" );
+
+	/** @type {System.Debug} */
+	var debug                                 = __import( "System.Debug" );
+
+	var VimError = __import( "Components.Vim.Error" );
+	var Mesg = __import( "Components.Vim.Message" );
+
+	/** @type {System.Debug} */
+	var Marks = __import( "Components.Vim.State.Marks" );
+	var Keys = Marks.Keys;
+
+	/** @type {Components.Vim.IAction} */
+	var MARKS = function( Cursor )
+	{
+		/** @type {Components.Vim.Cursor} */
+		this.__cursor = Cursor;
+		this.__msg = "";
+		Cursor.suppressEvent();
+	};
+
+	MARKS.prototype.dispose = function()
+	{
+		this.__cursor.unsuppressEvent();
+	};
+
+	MARKS.prototype.handler = function( e, p )
+	{
+		e.preventDefault();
+
+		/** @type {Components.Vim.State.Marks} */
+		var marks = e.target.marks;
+
+		var msg = ":marks";
+
+		/**
+		 * Regarding to marks 0-9, from Vim docs
+		 *   Numbered marks '0 to '9 are quite different.  They can not be set directly.
+		 *   They are only present when using a viminfo file viminfo-file.  Basically '0
+		 *   is the location of the cursor when you last exited Vim, '1 the last but one
+		 *   time, etc.  Use the "r" flag in 'viminfo' to specify files for which no
+		 *   Numbered mark should be stored.  See viminfo-file-marks.
+		 * TODO: Need to redefine marks 0-9
+		 **/
+
+		// Fuck this, use silly paddings
+		msg += "\nmark line  col file/text";
+
+		var feeder = this.__cursor.feeder;
+		for( var i = 0, j = Keys[ i ]; j != undefined; i ++, j = Keys[ i ] )
+		{
+			var r = marks.get( j );
+			if( !r ) continue;
+
+			var line = ( r[0] + 1 ) + "";
+			var col = ( r[1] + 1 ) + "";
+			var t = feeder.line( r[0] - 1 ).replace( /^[\t ]+/, "" );
+
+			var ll = 4 - line.length;
+			for( var il = 0; il < ll; il ++ ) line = " " + line;
+
+			var ll = 3 - col.length;
+			for( var il = 0; il < ll; il ++ ) col = " " + col;
+
+			msg += "\n " + j + "   " + line + "  " + col + " " + t;
+		}
+
+		var lastLine = Mesg( "WAIT_FOR_INPUT" );
+
+		var l = this.__cursor.feeder.firstBuffer.cols;
+		for( var i = msg.length; i < l; i ++ ) msg += " ";
+
+		this.__msg = msg + "\n" + lastLine;
+	};
+
+	MARKS.prototype.getMessage = function()
+	{
+		return this.__msg;
+	};
+
+	ns[ NS_EXPORT ]( EX_CLASS, "MARKS", MARKS );
+})();
diff --git a/botanjs/src/Components/Vim/Actions/PRINT.js b/botanjs/src/Components/Vim/Actions/PRINT.js
new file mode 100644
index 0000000..7e8a9ed
--- /dev/null
+++ b/botanjs/src/Components/Vim/Actions/PRINT.js
@@ -0,0 +1,48 @@
+(function(){
+	var ns = __namespace( "Components.Vim.Actions" );
+
+	/** @type {System.Debug} */
+	var debug                                 = __import( "System.Debug" );
+
+	/** @type {Components.Vim.IAction} */
+	var PRINT = function( Cursor )
+	{
+		/** @type {Components.Vim.Cursor} */
+		this.__cursor = Cursor;
+		this.__msg = "";
+	};
+
+	PRINT.prototype.dispose = function() { };
+	PRINT.prototype.handler = function( e, args, range )
+	{
+		e.preventDefault();
+
+		if( args[0] === true )
+		{
+			switch( range )
+			{
+				case "%":
+				case "$":
+					this.__cursor.moveY( Number.MAX_VALUE );
+					return;
+				case ".":
+					this.__cursor.lineStart( true );
+					break;
+				case "":
+				default:
+					var lineNum = parseInt( range ) - 1;
+					if( lineNum )
+					{
+						this.__cursor.gotoLine( 0 < lineNum ? lineNum : 0 );
+					}
+			}
+		}
+	};
+
+	PRINT.prototype.getMessage = function()
+	{
+		return this.__msg;
+	};
+
+	ns[ NS_EXPORT ]( EX_CLASS, "PRINT", PRINT );
+})();
diff --git a/botanjs/src/Components/Vim/Actions/VISUAL.js b/botanjs/src/Components/Vim/Actions/VISUAL.js
index 3bdb8d3..6770cac 100644
--- a/botanjs/src/Components/Vim/Actions/VISUAL.js
+++ b/botanjs/src/Components/Vim/Actions/VISUAL.js
@@ -182,10 +182,13 @@
 					startLine.aPos = startLine.aEnd;
 				}
 			}
-			// Cursor position adjustment
-			// this swap the cursor direction from LTR to RTL
-			// i.e. treat all delete as "e<----s" flow
-			// to keep the cursor position as the top on UNDO / REDO
+
+			/**
+			 * Content Modifier:
+			 *   This swaps the cursor direction from LTR to RTL
+			 *   i.e. treat all delete as "e<----s" flow to keep
+			 *        the cursor position as the top on UNDO / REDO
+			 **/
 			var IsContMod = ~[ DELETE, PUT ].indexOf( Action.constructor );
 			if( IsContMod && startLine.aPos < cur.aPos )
 			{
@@ -196,7 +199,12 @@
 
 			Action.handler( e, startLine.aPos, lineMode );
 
-			if( !IsContMod )
+			/**
+			 * Cursor Modifier:
+			 *   Whether the cursor position is already handled
+			 **/
+			var IsCurMod = ~[ DELETE, PUT, SHIFT_LINES ].indexOf( Action.constructor );
+			if( !IsCurMod )
 			{
 				cur.moveTo( startLine.aPos );
 			}
diff --git a/botanjs/src/Components/Vim/Controls.js b/botanjs/src/Components/Vim/Controls.js
index 5f4e4d7..7057be3 100644
--- a/botanjs/src/Components/Vim/Controls.js
+++ b/botanjs/src/Components/Vim/Controls.js
@@ -136,6 +136,7 @@
 			case ")": Mod = SHIFT; case "0": kCode = Mod + _0; break;
 			case "<": Mod = SHIFT; case ",": kCode = Mod + COMMA; break;
 			case ">": Mod = SHIFT; case ".": kCode = Mod + FULLSTOP; break;
+			case "\"": Mod = SHIFT; case "'": kCode = Mod + QUOTE; break;
 
 			default:
 				throw new Error( "Unsupport keys: " + str );
@@ -477,16 +478,17 @@
 	{
 		var kCode = e.keyCode;
 
-		if( this.__cMovement )
+		if( this.__captureComp )
 		{
 			if( !e.ModKeys )
 			{
 				this.__composite( e );
-				this.__cMovement = false;
+				this.__captureComp = false;
 				return true;
 			}
 		}
 
+		var inst = this.__vimArea;
 		var ccur = this.__ccur;
 		var cfeeder = ccur.feeder;
 
@@ -609,10 +611,22 @@
 
 				break;
 
+			case M:
+				this.__captureComp = true;
+
+				var marks = this.__vimArea.marks;
+				this.__composite( e, function( e2 ) {
+					var line = ccur.getLine().lineNum;
+					if( !marks.set( e2.key, line, ccur.aX ) )
+					{
+						beep();
+					}
+				}, ANY_KEY );
+				break;
 
 			case SHIFT + T: // To
 			case T: // To
-				this.__cMovement = true;
+				this.__captureComp = true;
 
 				this.__composite( e, function( e2 ) {
 					var oX = ccur.X;
@@ -631,7 +645,7 @@
 				break;
 			case SHIFT + F: // To
 			case F: // To
-				this.__cMovement = true;
+				this.__captureComp = true;
 
 				this.__composite( e, function( e2 ) {
 					ccur.openRunAction( "TO", e, e2 );
@@ -658,7 +672,7 @@
 
 				var analyzer = this.__vimArea.contentAnalyzer;
 
-				this.__cMovement = true;
+				this.__captureComp = true;
 
 				// Word boundary
 				this.__composite( e, function( e2 ) {
@@ -702,7 +716,7 @@
 
 			case G:
 
-				this.__cMovement = true;
+				this.__captureComp = true;
 
 				// Go to top
 				this.__composite( e, function() {
@@ -774,11 +788,35 @@
 				break;
 
 			case SLASH: // "/" Search movement
-				this.__cMovement = true;
+				this.__captureComp = true;
 
 				this.__divedCCmd = new ExCommand( ccur, "/" );
 				this.__divedCCmd.handler( e );
 				break;
+
+			case SHIFT + SEMI_COLON: // ":", only happens within action
+				if( !ccur.action )
+				{
+					cursorHandled = false;
+					break;
+				}
+
+				this.__captureComp = true;
+
+				var exCmd = new ExCommand( ccur, ":" );
+				exCmd.handler( e );
+
+				// Auto define range '< and '>
+				var cSel = ccur.position;
+				if( 1 < ( cSel.end - cSel.start ) )
+				{
+					ActionEvent
+						.__createEventList( e.sender, "'<,'>" )
+						.forEach( function( e2 ) { exCmd.handler( e2 ); } );
+				}
+
+				this.__divedCCmd = exCmd;
+				break;
 			default:
 				cursorHandled = false;
 		}
@@ -802,7 +840,7 @@
 		if( e.Escape )
 		{
 			var b = false;
-			this.__cMovement = false;
+			this.__captureComp = false;
 
 			if( this.__compositeReg )
 			{
@@ -828,7 +866,7 @@
 			if( this.__divedCCmd.handler( e ) )
 			{
 				this.__divedCCmd.dispose();
-				this.__cMovement = false;
+				this.__captureComp = false;
 				this.__divedCCmd = null;
 				return;
 			}
@@ -839,7 +877,7 @@
 		var cfeeder = this.__cfeeder;
 		var ccur = this.__ccur;
 
-		if( !this.__cMovement && ( !ccur.action || ccur.action.allowMovement ) )
+		if( !this.__captureComp && ( !ccur.action || ccur.action.allowMovement ) )
 		{
 			this.__modCommand( e );
 			if( e.canceled ) return;
@@ -861,7 +899,10 @@
 				{
 					var SubCommand = !this.__compositeReg;
 					this.__cursorCommand( e, kCode );
-					if( SubCommand && this.__compositeReg )
+
+					// Check if Sub / Dived composite command has been initiated
+					// within the CursorCommand
+					if( ( SubCommand && this.__compositeReg ) || this.__divedCCmd )
 					{
 						e.preventDefault();
 						return;
@@ -927,6 +968,18 @@
 		this.__range = null;
 	};
 
+	ActionEvent.__createEventList = function( sender, KeyDefs )
+	{
+		var l = KeyDefs.length;
+		var List = [];
+		for( var i = 0; i < l; i ++ )
+		{
+			List.push( new ActionEvent( sender, KeyDefs[ i ] ) );
+		}
+
+		return List;
+	};
+
 	__readOnly( ActionEvent.prototype, "target", function() { return this.__target; } );
 	__readOnly( ActionEvent.prototype, "key", function() { return this.__key; } );
 	__readOnly( ActionEvent.prototype, "keyCode", function() { return this.__kCode; } );
diff --git a/botanjs/src/Components/Vim/Cursor.js b/botanjs/src/Components/Vim/Cursor.js
index 25e858c..c1d7ceb 100644
--- a/botanjs/src/Components/Vim/Cursor.js
+++ b/botanjs/src/Components/Vim/Cursor.js
@@ -106,6 +106,8 @@
 	// Move to an absolute position
 	Cursor.prototype.moveTo = function( aPos, phantomSpace, skipTabs )
 	{
+		this.__suppressUpdate();
+
 		var content = this.feeder.content;
 		var pline = this.getLine();
 		var lastLineNum = pline.lineNum;
@@ -131,17 +133,18 @@
 		}
 
 		var jumpY = expLineNum - lastLineNum;
-		if( jumpY )
-		{
-			this.moveY( jumpY );
-
-			// Because moveTo is a direct jump function
-			// We'll auto reveal the target line here
-			if( this.feeder.moreAt == this.Y ) this.moveY( 1 );
-		}
+		if( jumpY ) this.moveY( jumpY );
 
 		pline = this.getLine();
 
+		// Because moveTo is a direct jump function
+		// We'll have to auto reveal the target line here
+		if( pline.lineNum != expLineNum )
+		{
+			this.moveY( expLineNum - pline.lineNum );
+			pline = this.getLine();
+		}
+
 		var jumpX = aPos < lineStart ? lineStart - aPos : aPos - lineStart;
 		var kX = jumpX - pline.content.length;
 
@@ -159,6 +162,50 @@
 
 		this.moveX( - Number.MAX_VALUE, false, false, true );
 		this.moveX( jumpX, false, phantomSpace, skipTabs );
+
+		this.__unsuppressUpdate();
+	};
+
+	// A line-only variant of moveTo, de-generalized for the sake of performance
+	Cursor.prototype.gotoLine = function( n )
+	{
+		this.__suppressUpdate();
+
+		var content = this.feeder.content;
+		var pline = this.getLine();
+		var lastLineNum = pline.lineNum;
+
+		if( pline.placeholder )
+		{
+			lastLineNum = 0;
+			this.Y = 0;
+		}
+
+		var expLineNum = 0;
+		var lineStart = 0;
+		for( var i = content.indexOf( "\n" ); 0 <= i ; i = content.indexOf( "\n", i ) )
+		{
+			if( expLineNum == n ) break;
+			lineStart = i;
+			i ++;
+			expLineNum ++;
+		}
+
+		if( expLineNum < n ) n = expLineNum;
+
+		var jumpY = expLineNum - lastLineNum;
+		if( jumpY ) this.moveY( jumpY );
+
+		pline = this.getLine();
+
+		if( pline.lineNum != expLineNum )
+		{
+			this.moveY( expLineNum - pline.lineNum );
+		}
+
+		this.lineStart( true );
+
+		this.__unsuppressUpdate();
 	};
 
 	// 0 will be treated as default ( 1 )
@@ -319,7 +366,7 @@
 		else if( c == "\n" )
 		{
 			x += d;
-		}
+	}
 
 		// Wordwrap phantomSpace movement compensation on max filled lines
 		if( feeder.wrap && boundary && !hasPhantomSpace && phantomSpace )
@@ -365,10 +412,12 @@
 		this.moveX( Number.MAX_VALUE, false, phantomSpace, true );
 	};
 
+	// Because LineOffset is costly, suppress unnecessary calls
 	Cursor.prototype.updatePosition = function()
 	{
-		var feeder = this.feeder;
-		var P = this.X + LineOffset( feeder.lineBuffers, this.Y ) + this.__off;
+		if( 0 < this.__suppUpdate ) return;
+
+		var P = this.X + LineOffset( this.feeder.lineBuffers, this.Y ) + this.__off;
 
 		this.PStart = P;
 		this.PEnd = P + 1;
@@ -534,6 +583,13 @@
 	Cursor.prototype.suppressEvent = function() { ++ this.__suppEvt; };
 	Cursor.prototype.unsuppressEvent = function() { -- this.__suppEvt; };
 
+	Cursor.prototype.__suppressUpdate = function() { ++ this.__suppUpdate; };
+	Cursor.prototype.__unsuppressUpdate = function()
+	{
+		-- this.__suppUpdate;
+		this.updatePosition();
+	};
+
 	Cursor.prototype.getLine = function( display )
 	{
 		var feeder = this.feeder;
@@ -564,20 +620,7 @@
 
 	__readOnly( Cursor.prototype, "rawLine", function()
 	{
-		var str = this.feeder.content;
-		var lineNum = this.getLine().lineNum - 1;
-		var i = str.indexOf( "\n" ), j = 0;
-
-		for( ; 0 <= i; i = str.indexOf( "\n", i ), j ++ )
-		{
-			if( lineNum == j ) break;
-			i ++;
-		}
-
-		if( j == 0 && i == -1 ) i = 0;
-
-		var end = str.indexOf( "\n", i + 1 );
-		return str.substring( i + 1, end );
+		return this.feeder.line( this.getLine().lineNum - 1 );
 	} );
 
 	// The position offset relative to current line
@@ -598,7 +641,8 @@
 			// because phantomSpace is not a valid character
 			// So we calculate along with the phantomSpace here
 			var phantomSpace = X;
-			for( var i in lines )
+			var lc = lines.length;
+			for( var i = 0; i < lc; i ++ )
 			{
 				/** @type {Components.Vim.LineBuffer} */
 				var vline = lines[ i ];
diff --git a/botanjs/src/Components/Vim/LineFeeder.js b/botanjs/src/Components/Vim/LineFeeder.js
index 4098773..b939daf 100644
--- a/botanjs/src/Components/Vim/LineFeeder.js
+++ b/botanjs/src/Components/Vim/LineFeeder.js
@@ -10,6 +10,7 @@
 	var Cursor = ns[ NS_INVOKE ]( "Cursor" );
 
 	var occurence = __import( "System.utils.Perf.CountSubstr" );
+	var C_LINE = 0;
 
 	var Feeder = function( rows, cols )
 	{
@@ -35,6 +36,7 @@
 		this.cursor = new Cursor( this );
 		this.dispatcher = new EventDispatcher();
 
+		this.__lineCache = [];
 		this.__clseLine = null;
 		this.__moreAt = -1;
 		this.__rows = rows;
@@ -42,7 +44,7 @@
 
 	Feeder.prototype.init = function( content, wrap )
 	{
-		this.content = content;
+		this.__content = content;
 		this.setWrap( wrap );
 
 		this.firstBuffer.Push( content, this.wrap, 0 ); 
@@ -142,7 +144,7 @@
 		if( Y < 0 ) Y = 0;
 
 		// Compensate the last "\n" content placeholder
-		var cont = this.content.slice( 0, -1 );
+		var cont = this.__content.slice( 0, -1 );
 		if( 0 < Y )
 		{
 			f = cont.indexOf( "\n" );
@@ -158,7 +160,7 @@
 			}
 		}
 
-		this.firstBuffer.Push( this.content.substr( f + 1 ), this.wrap, i );
+		this.firstBuffer.Push( this.__content.substr( f + 1 ), this.wrap, i );
 
 		this.panX = X;
 		this.panY = Y;
@@ -171,8 +173,27 @@
 		this.__softRender();
 	};
 
+	Feeder.prototype.line = function( n )
+	{
+		if( this.__lineCache[ n ] )
+			return this.__lineCache[ n ];
+		var str = this.__content;
+		var i = str.indexOf( "\n" ), j = 0;
+
+		for( ; 0 <= i; i = str.indexOf( "\n", i ), j ++ )
+		{
+			if( n == j ) break;
+			i ++;
+		}
+
+		if( j == 0 && i == -1 ) i = 0;
+
+		var end = str.indexOf( "\n", i + 1 );
+		return ( this.__lineCache[ n ] = str.substring( i + 1, end ) );
+	};
+
 	__readOnly( Feeder.prototype, "linesTotal", function() {
-		return occurence( this.content, "\n" );
+		return occurence( this.__content, "\n" );
 	} );
 
 	__readOnly( Feeder.prototype, "firstBuffer", function() {
@@ -216,7 +237,7 @@
 		var i = l - X;
 		do
 		{
-			if( this.content[ i + 1 ] == "\t" ) tabs ++;
+			if( this.__content[ i + 1 ] == "\t" ) tabs ++;
 			i ++;
 		}
 		while( i < l )
@@ -254,6 +275,15 @@
 		return pos;
 	} );
 
+	Object.defineProperty( Feeder.prototype, "content", {
+		get: function() { return this.__content; }
+		, set: function( v )
+		{
+			this.__lineCache = [];
+			this.__content = v;
+		}
+	} );
+
 	__readOnly( Feeder.prototype, "linesOccupied", function() {
 		var line = this.firstBuffer;
 		if( line.placeholder ) return 0;
diff --git a/botanjs/src/Components/Vim/State/Marks.js b/botanjs/src/Components/Vim/State/Marks.js
new file mode 100644
index 0000000..102af97
--- /dev/null
+++ b/botanjs/src/Components/Vim/State/Marks.js
@@ -0,0 +1,31 @@
+(function(){
+	var ns = __namespace( "Components.Vim.State" );
+
+	/** @type {System.Debug} */
+	var debug = __import( "System.Debug" );
+
+	var Keys = "'ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxy\"[]^.<>";
+
+	var Marks = function()
+	{
+		this.__marks = {};
+	};
+
+	Marks.prototype.set = function( t, line, col )
+	{
+		if( Keys.indexOf( t ) == -1 ) return false;
+
+		this.__marks[ t ] = [ line, col ];
+		return true;
+	};
+
+	Marks.prototype.get = function( t )
+	{
+		return this.__marks[ t ];
+	};
+
+	__readOnly( Marks, "Keys", function() { return Keys; } );
+
+	ns[ NS_EXPORT ]( EX_CLASS, "Marks", Marks );
+
+})();
diff --git a/botanjs/src/Components/Vim/VimArea.js b/botanjs/src/Components/Vim/VimArea.js
index aad55ee..8986ce6 100644
--- a/botanjs/src/Components/Vim/VimArea.js
+++ b/botanjs/src/Components/Vim/VimArea.js
@@ -14,6 +14,8 @@
 
 	/** @type {Components.Vim.State.Registers} */
 	var Registers                                 = __import( "Components.Vim.State.Registers" );
+	/** @type {Components.Vim.State.Marks} */
+	var Marks                                     = __import( "Components.Vim.State.Marks" );
 	/** @type {Components.Vim.Syntax.Analyzer} */
 	var SyntaxAnalyzer                            = __import( "Components.Vim.Syntax.Analyzer" );
 
@@ -58,10 +60,10 @@
 			throw new Error( "This element is not compatible for VimArea" );
 		}
 
-		for( var i in Insts )
+		for( var i = 0; i < InstIndex; i ++ )
 		{
 			var inst = Insts[ i ];
-			if( inst.stage.element == element )
+			if( inst && inst.stage.element == element )
 			{
 				debug.Info( "Instance exists" );
 				return inst;
@@ -243,6 +245,7 @@
 		this.statusFeeder = sfeeder;
 		this.statusBar = statusBar;
 		this.registers = new Registers();
+		this.marks = new Marks();
 
 		this.__cursor = cfeeder.cursor;
 
@@ -387,7 +390,12 @@
 
 	__readOnly( VimArea, "Instances", function() {
 		var clone = [];
-		for( var i in Insts ) clone.push( Insts[ i ] );
+
+		for( var i = 0; i < InstIndex; i ++ )
+		{
+			if( Insts[ i ] ) clone.push( Insts[ i ] );
+		}
+
 		return clone;
 	} );
 
diff --git a/botanjs/src/externs/Components.Vim.Cursor.js b/botanjs/src/externs/Components.Vim.Cursor.js
index 2b60b30..634cd47 100644
--- a/botanjs/src/externs/Components.Vim.Cursor.js
+++ b/botanjs/src/externs/Components.Vim.Cursor.js
@@ -13,6 +13,8 @@ Components.Vim.Cursor.rec;
 /** @type Function */
 Components.Vim.Cursor.moveTo;
 /** @type Function */
+Components.Vim.Cursor.gotoLine;
+/** @type Function */
 Components.Vim.Cursor.moveX;
 /** @type Function */
 Components.Vim.Cursor.moveY;
diff --git a/botanjs/src/externs/Components.Vim.LineFeeder.js b/botanjs/src/externs/Components.Vim.LineFeeder.js
index eb500db..5edec59 100644
--- a/botanjs/src/externs/Components.Vim.LineFeeder.js
+++ b/botanjs/src/externs/Components.Vim.LineFeeder.js
@@ -43,6 +43,8 @@ Components.Vim.LineFeeder.linesOccupied;
 /** @type String */
 Components.Vim.LineFeeder.docPos;
 /** @type String */
+Components.Vim.LineFeeder.line;
+/** @type String */
 Components.Vim.LineFeeder.lineStat;
 /** @type {String} */
 Components.Vim.LineFeeder.content;
diff --git a/botanjs/src/externs/Components.Vim.State.Marks.js b/botanjs/src/externs/Components.Vim.State.Marks.js
new file mode 100644
index 0000000..99a4ade
--- /dev/null
+++ b/botanjs/src/externs/Components.Vim.State.Marks.js
@@ -0,0 +1,10 @@
+/** @constructor */
+Components.Vim.State.Marks = function(){};
+
+/** @type Function */
+Components.Vim.State.Marks.set;
+/** @type Function */
+Components.Vim.State.Marks.get;
+
+/** @type String */
+Components.Vim.State.Marks.Keys;
diff --git a/botanjs/src/externs/Components.Vim.VimArea.js b/botanjs/src/externs/Components.Vim.VimArea.js
index 756c6c3..a2286d1 100644
--- a/botanjs/src/externs/Components.Vim.VimArea.js
+++ b/botanjs/src/externs/Components.Vim.VimArea.js
@@ -12,6 +12,11 @@ Components.Vim.VimArea.statusFeeder;
 /** @type {Components.Vim.StatusBar} */
 Components.Vim.VimArea.statusBar;
 
+/** @type {Components.Vim.State.Registers} */
+Components.Vim.VimArea.registers;
+/** @type {Components.Vim.State.Marks} */
+Components.Vim.VimArea.marks;
+
 /** @type Function */
 Components.Vim.VimArea.demo;
 /** @type Function */