diff --git a/django/contrib/admin/media/js/admin/RelatedObjectLookups.js b/django/contrib/admin/media/js/admin/RelatedObjectLookups.js
index e43d3a0985..35b949b30d 100644
--- a/django/contrib/admin/media/js/admin/RelatedObjectLookups.js
+++ b/django/contrib/admin/media/js/admin/RelatedObjectLookups.js
@@ -3,7 +3,13 @@
 
 function showRelatedObjectLookupPopup(triggeringLink) {
     var name = triggeringLink.id.replace(/^lookup_/, '');
-    var win = window.open(triggeringLink.href + '?pop=1', name, 'height=500,width=740,resizable=yes,scrollbars=yes');
+    var href
+    if (triggeringLink.href.search(/\?/) >= 0) {
+        href = triggeringLink.href + '&pop=1';
+    } else {
+        href = triggeringLink.href + '?pop=1'
+    }
+    var win = window.open(href, name, 'height=500,width=740,resizable=yes,scrollbars=yes');
     win.focus();
     return false;
 }
@@ -29,12 +35,20 @@ function showAddAnotherPopup(triggeringLink) {
 function dismissAddAnotherPopup(win, newId, newRepr) {
     var name = win.name.replace(/___/g, '.')
     var elem = document.getElementById(name);
-    if (elem.nodeName == 'SELECT') {
+    if (elem) {
+        if (elem.nodeName == 'SELECT') {
+            var o = new Option(newRepr, newId);
+            elem.options[elem.options.length] = o
+            elem.selectedIndex = elem.length - 1;
+        } else if (elem.nodeName == 'INPUT') {
+            elem.value = newId;
+        }
+    } else {
+        var toId = name + "_to";
+        elem = document.getElementById(toId);
         var o = new Option(newRepr, newId);
-        elem.options[elem.options.length] = o
-        elem.selectedIndex = elem.length - 1;
-    } else if (elem.nodeName == 'INPUT') {
-        elem.value = newId;
+        SelectBox.add_to_cache(toId, o);
+        SelectBox.redisplay(toId);
     }
     win.close();
 }
diff --git a/django/contrib/admin/templates/admin_doc/model_detail.html b/django/contrib/admin/templates/admin_doc/model_detail.html
index 3902d8f21d..2aad437ac4 100644
--- a/django/contrib/admin/templates/admin_doc/model_detail.html
+++ b/django/contrib/admin/templates/admin_doc/model_detail.html
@@ -16,6 +16,10 @@
 <div id="content-main">
 <h1>{{ summary }}</h1>
 
+{% if description %}
+  <p>{% filter escape|linebreaksbr %}{% trans description %}{% endfilter %}</p>
+{% endif %}
+
 <div class="module">
 <table class="model">
 <thead>
diff --git a/django/contrib/admin/templates/widget/foreign.html b/django/contrib/admin/templates/widget/foreign.html
index 446ae39647..a3fbc2a061 100644
--- a/django/contrib/admin/templates/widget/foreign.html
+++ b/django/contrib/admin/templates/widget/foreign.html
@@ -1,7 +1,11 @@
 {% load admin_modify adminmedia %}
 {% output_all bound_field.form_fields %}
 {% if bound_field.raw_id_admin %}
-    <a href="{{ bound_field.related_url }}" class="related-lookup" id="lookup_{{ bound_field.element_id }}" onclick="return showRelatedObjectLookupPopup(this);"> <img src="{% admin_media_prefix %}img/admin/selector-search.gif" width="16" height="16" alt="Lookup"></a>
+    {% if bound_field.field.rel.limit_choices_to %}
+        <a href="../../../{{ bound_field.field.rel.to.app_label }}/{{ bound_field.field.rel.to.module_name }}/?{% for limit_choice in bound_field.field.rel.limit_choices_to.items %}{% if not forloop.first %}&amp;{% endif %}{{ limit_choice|join:"=" }}{% endfor %}" class="related-lookup" id="lookup_{{ bound_field.element_id }}" onclick="return showRelatedObjectLookupPopup(this);"> <img src="{% admin_media_prefix %}img/admin/selector-search.gif" width="16" height="16" alt="Lookup"></a>
+    {% else %}
+        <a href="{{ bound_field.related_url }}" class="related-lookup" id="lookup_{{ bound_field.element_id }}" onclick="return showRelatedObjectLookupPopup(this);"> <img src="{% admin_media_prefix %}img/admin/selector-search.gif" width="16" height="16" alt="Lookup"></a>
+    {% endif %}
 {% else %}
 {% if bound_field.needs_add_label %}
     <a href="{{ bound_field.related_url }}add/" class="add-another" id="add_{{ bound_field.element_id }}" onclick="return showAddAnotherPopup(this);"> <img src="{% admin_media_prefix %}img/admin/icon_addlink.gif" width="10" height="10" alt="Add Another"/></a>
diff --git a/django/contrib/admin/views/doc.py b/django/contrib/admin/views/doc.py
index ddda5b270d..bc8c0a65f0 100644
--- a/django/contrib/admin/views/doc.py
+++ b/django/contrib/admin/views/doc.py
@@ -191,6 +191,7 @@ def model_detail(request, app_label, model_name):
     return render_to_response('admin_doc/model_detail', {
         'name': '%s.%s' % (opts.app_label, opts.object_name),
         'summary': "Fields on %s objects" % opts.object_name,
+        'description': model.__doc__,
         'fields': fields,
     }, context_instance=RequestContext(request))
 model_detail = staff_member_required(model_detail)
diff --git a/django/contrib/admin/views/main.py b/django/contrib/admin/views/main.py
index 1eb95617c6..c00c65ad16 100644
--- a/django/contrib/admin/views/main.py
+++ b/django/contrib/admin/views/main.py
@@ -255,7 +255,7 @@ def add_stage(request, app_label, model_name, show_delete=False, form_url='', po
                 return HttpResponseRedirect(post_url_continue % pk_value)
             if request.POST.has_key("_popup"):
                 return HttpResponse('<script type="text/javascript">opener.dismissAddAnotherPopup(window, %s, "%s");</script>' % \
-                    (pk_value, repr(new_object).replace('"', '\\"')))
+                    (pk_value, str(new_object).replace('"', '\\"')))
             elif request.POST.has_key("_addanother"):
                 request.user.message_set.add(message=msg + ' ' + (_("You may add another %s below.") % opts.verbose_name))
                 return HttpResponseRedirect(request.path)
diff --git a/django/views/debug.py b/django/views/debug.py
index d2e6f06b3b..afb5733206 100644
--- a/django/views/debug.py
+++ b/django/views/debug.py
@@ -349,11 +349,11 @@ TECHNICAL_500_TEMPLATE = """
         {% if frame.context_line %}
           <div class="context" id="c{{ frame.id }}">
             {% if frame.pre_context %}
-              <ol start="{{ frame.pre_context_lineno }}" class="pre-context" id="pre{{ frame.id }}">{% for line in frame.pre_context %}<li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ line|escape }}</li>{% endfor %}</ol>
+              <ol start="{{ frame.pre_context_lineno|add:"1" }}" class="pre-context" id="pre{{ frame.id }}">{% for line in frame.pre_context %}<li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ line|escape }}</li>{% endfor %}</ol>
             {% endif %}
-            <ol start="{{ frame.lineno }}" class="context-line"><li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ frame.context_line|escape }} <span>...</span></li></ol>
+            <ol start="{{ frame.lineno|add:"1" }}" class="context-line"><li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ frame.context_line|escape }} <span>...</span></li></ol>
             {% if frame.post_context %}
-              <ol start='{{ frame.lineno|add:"1" }}' class="post-context" id="post{{ frame.id }}">{% for line in frame.post_context %}<li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ line|escape }}</li>{% endfor %}</ol>
+              <ol start='{{ frame.lineno|add:"2" }}' class="post-context" id="post{{ frame.id }}">{% for line in frame.post_context %}<li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ line|escape }}</li>{% endfor %}</ol>
             {% endif %}
           </div>
         {% endif %}