diff --git a/addons/web_editor/static/lib/summernote/src/js/module/Editor.js b/addons/web_editor/static/lib/summernote/src/js/module/Editor.js
index b7ba30bfcd1..99947c346cf 100644
--- a/addons/web_editor/static/lib/summernote/src/js/module/Editor.js
+++ b/addons/web_editor/static/lib/summernote/src/js/module/Editor.js
@@ -628,9 +628,9 @@ define([
       }
 
       var anchors = [];
-      // ODOO: adding this branch to modify existing anchor
+      // ODOO: adding this branch to modify existing anchor if it fully contains the range
       var ancestor_anchor = dom.ancestor(rng.sc, dom.isAnchor);
-      if(ancestor_anchor) {
+      if(ancestor_anchor && ancestor_anchor === dom.ancestor(rng.ec, dom.isAnchor)) {
           anchors.push($(ancestor_anchor).html(linkText).get(0));
       } else if (isTextChanged) {
         // Create a new link when text changed.
diff --git a/addons/web_editor/static/src/js/widgets.js b/addons/web_editor/static/src/js/widgets.js
index 005d085fec8..dc347c61690 100644
--- a/addons/web_editor/static/src/js/widgets.js
+++ b/addons/web_editor/static/src/js/widgets.js
@@ -320,8 +320,7 @@ var ImageDialog = Widget.extend({
 
         var img = this.images[0];
         if (!img) {
-            var id = this.$(".existing-attachments [data-src]:first").data('id');
-            img = _.find(this.images, function (img) { return img.id === id;});
+            return this.media;
         }
 
         var media;
@@ -1023,6 +1022,8 @@ var LinkDialog = Dialog.extend({
                     if (dom.ancestor(nodes[i], dom.isImg)) {
                         this.data.images.push(dom.ancestor(nodes[i], dom.isImg));
                         text += '[IMG]';
+                    } else if (!is_link && nodes[i].nodeType === 1) {
+                        // just use text nodes from listBetween
                     } else if (!is_link && i===0) {
                         text += nodes[i].textContent.slice(so, Infinity);
                     } else if (!is_link && i===nodes.length-1) {
diff --git a/addons/website/models/ir_http.py b/addons/website/models/ir_http.py
index e04b486a54a..8149a23b406 100644
--- a/addons/website/models/ir_http.py
+++ b/addons/website/models/ir_http.py
@@ -6,6 +6,7 @@ import os
 import re
 import traceback
 
+import pytz
 import werkzeug
 import werkzeug.routing
 import werkzeug.utils
@@ -204,6 +205,11 @@ class Http(models.AbstractModel):
                 context['edit_translations'] = False
             if not context.get('tz'):
                 context['tz'] = request.session.get('geoip', {}).get('time_zone')
+                try:
+                    pytz.timezone(context['tz'] or '')
+                except pytz.UnknownTimeZoneError:
+                    context.pop('tz')
+
             # bind modified context
             request.context = context
             request.website = request.website.with_context(context)
diff --git a/doc/reference/cmdline.rst b/doc/reference/cmdline.rst
index 6e08973d60e..21f5b80ba6d 100644
--- a/doc/reference/cmdline.rst
+++ b/doc/reference/cmdline.rst
@@ -170,6 +170,45 @@ database
     when creating new databases from the database-management screens, use the
     specified `template database`_. Defaults to ``template1``.
 
+.. _reference/cmdline/server/internationalisation:
+
+Internationalisation
+--------------------
+
+Use these options to translate Odoo to another language. See i18n section of
+the user manual. Option '-d' is mandatory. Option '-l' is mandatory in case
+of importation
+
+.. option:: --load-language <languages>
+
+    specifies the languages (separated by commas) for the translations you
+    want to be loaded
+
+.. option:: -l, --language <language>
+
+    specify the language of the translation file. Use it with --i18n-export
+    or --i18n-import
+
+.. option:: --i18n-export <filename>
+
+    export all sentences to be translated to a CSV file, a PO file or a TGZ
+    archive and exit.
+
+.. option:: --i18n-import <filename>
+
+    import a CSV or a PO file with translations and exit. The '-l' option is
+    required.
+
+.. option:: --i18n-overwrite
+
+    overwrites existing translation terms on updating a module or importing
+    a CSV or a PO file.
+
+.. option:: --modules
+
+    specify modules to export. Use in combination with --i18n-export
+
+
 built-in HTTP
 -------------
 
diff --git a/odoo/modules/registry.py b/odoo/modules/registry.py
index 9d06e34a49c..7bdff852c67 100644
--- a/odoo/modules/registry.py
+++ b/odoo/modules/registry.py
@@ -151,7 +151,6 @@ class Registry(Mapping):
         """ Delete the registry linked to a given database. """
         with cls._lock:
             if db_name in cls.registries:
-                cls.registries[db_name].clear_caches()
                 del cls.registries[db_name]
 
     @classmethod
diff --git a/odoo/service/server.py b/odoo/service/server.py
index be3de54d529..45b02f9f1da 100644
--- a/odoo/service/server.py
+++ b/odoo/service/server.py
@@ -812,7 +812,6 @@ class WorkerCron(Worker):
 
             import odoo.addons.base as base
             base.ir.ir_cron.ir_cron._acquire_job(db_name)
-            odoo.modules.registry.Registry.delete(db_name)
 
             # dont keep cursors in multi database mode
             if len(db_names) > 1: