diff --git a/VERSION b/VERSION
index c163047c..b3a2beef 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.4.1-alpha.2+timestamp.2012.12.28.01.21.20
+Version 2.4.1-alpha.2+timestamp.2012.12.28.15.44.29
diff --git a/applications/admin/controllers/debug.py b/applications/admin/controllers/debug.py
index f02b2866..97ef49f8 100644
--- a/applications/admin/controllers/debug.py
+++ b/applications/admin/controllers/debug.py
@@ -212,3 +212,26 @@ def toggle_breakpoint():
     except Exception, e:
         session.flash = str(e)
     return response.json({'ok': ok, 'lineno': lineno})
+    
+def list_breakpoints():
+    "Return a list of linenumbers for current breakpoints"
+
+    breakpoints = []
+    ok = None
+    try:
+        filename = os.path.join(request.env['applications_parent'],
+                                'applications', request.vars.filename)
+        # normalize path name: replace slashes, references, etc...
+        filename = os.path.normpath(os.path.normcase(filename))
+        for bp in qdb_debugger.do_list_breakpoint():
+            no, bp_filename, bp_lineno, temporary, enabled, hits, cond = bp
+            # normalize path name: replace slashes, references, etc...
+            bp_filename = os.path.normpath(os.path.normcase(bp_filename))
+            if filename == bp_filename:
+                breakpoints.append(bp_lineno)
+        ok = True
+    except Exception, e:
+        session.flash = str(e)
+        ok = False
+    return response.json({'ok': ok, 'breakpoints': breakpoints})
+
diff --git a/applications/admin/static/js/ajax_editor.js b/applications/admin/static/js/ajax_editor.js
index b24b2fd0..44d5de7d 100644
--- a/applications/admin/static/js/ajax_editor.js
+++ b/applications/admin/static/js/ajax_editor.js
@@ -148,8 +148,12 @@ function getSelectionRange() {
     return sel;
 }
 
-function doToggleBreakpoint(filename, url) {
-    var sel = getSelectionRange();
+function doToggleBreakpoint(filename, url, sel) {
+    if (sel==null) {
+        // use cursor position to determine the breakpoint line
+        // (gutter already tell us the selected line)
+        sel = getSelectionRange();
+    }
     var dataForPost = prepareMultiPartPOST(new Array(
 	prepareDataForSave('filename', filename),
 	prepareDataForSave('sel_start', sel["start"]),
@@ -199,6 +203,43 @@ function doToggleBreakpoint(filename, url) {
 	return false;
 }
 
+// on load, update all breakpoints markers:
+function doListBreakpoints(filename, url) {
+    var dataForPost = prepareMultiPartPOST(new Array(
+	    prepareDataForSave('filename', filename)
+        ));
+     jQuery.ajax({
+	  type: "POST",
+	  contentType: 'multipart/form-data;boundary="'+dataForPost[1]+'"',
+	  url: url,
+	  dataType: "json",
+	  data: dataForPost[0],
+	  timeout: 5000,
+      beforeSend: function(xhr) {
+	  xhr.setRequestHeader('web2py-component-location',
+			       document.location);
+	  xhr.setRequestHeader('web2py-component-element',
+			       'doListBreakpoints');},
+	  success: function(json,text,xhr){
+	     try {
+		     if (json.error) {
+		         window.location.href=json.redirect;
+		     } else {
+                 if (window.mirror) {
+                     for (i in json.breakpoints) {
+                         lineno = json.breakpoints[i];
+            		     // mark the breakpoint if ok=True
+         		         editor.setMarker(lineno-1, 
+         		                         "<span style='color: red'>●</span> %N%");
+         		     }
+        		 }
+		     }
+	     } catch(e) { on_error(); }
+      },
+      error: function(json) { on_error(); }
+	});
+	return false;
+}
 
 function keepalive(url) {
 	jQuery.ajax({
diff --git a/applications/admin/views/default/edit.html b/applications/admin/views/default/edit.html
index 19c416e4..cb1b6035 100644
--- a/applications/admin/views/default/edit.html
+++ b/applications/admin/views/default/edit.html
@@ -25,6 +25,13 @@
 <link rel="stylesheet" href="{{=cm}}/lib/util/dialog.css">
 <script src="{{=cm}}/emmet.min.js"></script>
 <script language="Javascript" type="text/javascript" src="{{=URL('static','js/ajax_editor.js')}}"></script>
+<script language="Javascript" type="text/javascript">
+jQuery(document).ready(function(){
+     doListBreakpoints({{=XML("'%s','%s://%s%s'" % (filename, 
+                request.env['wsgi_url_scheme'], request.env['http_host'],
+                URL(c='debug', f='list_breakpoints')))}});
+});
+</script>
 {{elif TEXT_EDITOR == 'ace':}}
 <script src="{{=URL(r=request,c='static',f='ace/src/ace.js')}}" type="text/javascript" charset="utf-8"></script>
 <script src="{{=URL(r=request,c='static',f='ace/src/theme-%s.js' % TEXT_EDITOR_THEME)}}" type="text/javascript" charset="utf-8"></script>
@@ -103,7 +110,7 @@ jQuery(document).ready(function(){
   {{if filetype=='python':}}
       {{=A(SPAN(T('toggle breakpoint')),
            _value="breakpoint", _name="breakpoint",
-           _onclick="return doToggleBreakpoint('%s','%s://%s%s');" % (filename, 
+           _onclick="return doToggleBreakpoint('%s','%s://%s%s',null);" % (filename, 
                 request.env['wsgi_url_scheme'], request.env['http_host'],
                 URL(c='debug', f='toggle_breakpoint')),
            _class="button special btn btn-inverse")}}
@@ -202,7 +209,13 @@ jQuery(document).ready(function(){
         autofocus: true,
         onCursorActivity: function() {
             editor.setLineClass(hlLine, null, null);
-            hlLine = editor.setLineClass(editor.getCursor().line, null, "activeline");}
+            hlLine = editor.setLineClass(editor.getCursor().line, null, "activeline");},
+        onGutterClick: function(cm, n) {
+            sel = {start: n, end: n, data: ''};
+            doToggleBreakpoint({{=XML("'%s','%s://%s%s',sel" % (filename, 
+                request.env['wsgi_url_scheme'], request.env['http_host'],
+                URL(c='debug', f='toggle_breakpoint')))}});
+          }
       };
       var editor = CodeMirror.fromTextArea(
          document.getElementById("body"),cm_opts);
@@ -293,4 +306,4 @@ window.onload = function() {
 		{{pass}}
 	</div>
 </div>
-<!-- end "edit" block -->
\ No newline at end of file
+<!-- end "edit" block -->