diff --git a/content/developer/howtos/rdtraining/12_sprinkles.rst b/content/developer/howtos/rdtraining/12_sprinkles.rst
index 25294bb87..511d68b73 100644
--- a/content/developer/howtos/rdtraining/12_sprinkles.rst
+++ b/content/developer/howtos/rdtraining/12_sprinkles.rst
@@ -355,8 +355,8 @@ complete list):
 .. code-block:: xml
 
     <tree decoration-success="is_partner==True">
-        <field name="name">
-        <field name="is_partner" invisible="1">
+        <field name="name"/>
+        <field name="is_partner" invisible="1"/>
     </tree>
 
 The records where ``is_partner`` is ``True`` will be displayed in green.
diff --git a/content/developer/howtos/themes.rst b/content/developer/howtos/themes.rst
index 838ecd318..fefdb16f3 100644
--- a/content/developer/howtos/themes.rst
+++ b/content/developer/howtos/themes.rst
@@ -152,7 +152,6 @@ After that, you have to write your code inside a ``<odoo>`` tag.
 
 .. code-block:: xml
 
-   [XML]
    <?xml version="1.0" encoding="utf-8" ?>
    <odoo>
      
@@ -164,7 +163,6 @@ Almost every element and option that you create has to be placed inside a ``<tem
 
 .. code-block:: xml
 
-    [XML]
     <template id="my_title" name="My title">
       <h1>This is an HTML block</h1>
       <h2 class="lead">And this is a subtitle</h2>
diff --git a/content/developer/howtos/web.rst b/content/developer/howtos/web.rst
index 96445291b..69fcec3bd 100644
--- a/content/developer/howtos/web.rst
+++ b/content/developer/howtos/web.rst
@@ -1394,7 +1394,7 @@ merge all those contexts before sending them to the server.
 
     @api.model
     def my_method(self):
-        print self.env.context
+        print(self.env.context)
         // will print: {'lang': 'en_US', 'new_key': 'key_value', 'tz': 'Europe/Brussels', 'uid': 1}
 
 You can see the dictionary in the argument ``context`` contains some keys that
diff --git a/content/developer/reference/backend/actions.rst b/content/developer/reference/backend/actions.rst
index 5314596ec..af97c5306 100644
--- a/content/developer/reference/backend/actions.rst
+++ b/content/developer/reference/backend/actions.rst
@@ -419,7 +419,7 @@ Actions triggered automatically on a predefined frequency.
     Number of *interval_type* uom between two executions of the action
 
 ``interval_type``
-    Unit of measure of frequency interval (``minutes``, ``hours``, ``days``, ``weeks``, ``months``,
+    Unit of measure of frequency interval (``minutes``, ``hours``, ``days``, ``weeks``, ``months``)
 
 ``numbercall``
     Number of times this action has to be run.
@@ -438,7 +438,7 @@ Actions triggered automatically on a predefined frequency.
 
     .. code-block:: python
 
-      model.<method_name>()
+        model.<method_name>()
 
 ``nextcall``
     Next planned execution date of this action (date/time format)
diff --git a/content/developer/reference/backend/data.rst b/content/developer/reference/backend/data.rst
index 019d76dd5..616581da8 100644
--- a/content/developer/reference/backend/data.rst
+++ b/content/developer/reference/backend/data.rst
@@ -20,11 +20,11 @@ of an XML data file is the following:
 
 .. code-block:: xml
 
-    <!-- the root elements of the data file -->
     <?xml version="1.0" encoding="UTF-8"?>
+    <!-- the root elements of the data file -->
     <odoo>
-      <operation/>
-      ...
+        <operation/>
+        ...
     </odoo>
 
 Data files are executed sequentially, operations can only refer to the result
@@ -39,15 +39,15 @@ of operations defined previously
 
     .. code-block:: xml
 
-      <odoo>
-          <data noupdate="1">
-              <!-- Only loaded when installing the module (odoo-bin -i module) -->
-              <operation/>
-          </data>
+        <odoo>
+            <data noupdate="1">
+                <!-- Only loaded when installing the module (odoo-bin -i module) -->
+                <operation/>
+            </data>
 
-          <!-- (Re)Loaded at install and update (odoo-bin -i/-u) -->
-          <operation/>
-      </odoo>
+            <!-- (Re)Loaded at install and update (odoo-bin -i/-u) -->
+            <operation/>
+        </odoo>
 
 Core operations
 ===============
@@ -173,24 +173,24 @@ values).
 
 .. code-block:: xml
 
-  <odoo>
-      <data noupdate="1">
-          <record name="partner_1" model="res.partner">
-              <field name="name">Odude</field>
-          </record>
+    <odoo>
+        <data noupdate="1">
+            <record name="partner_1" model="res.partner">
+                <field name="name">Odude</field>
+            </record>
 
-          <function model="res.partner" name="send_inscription_notice"
-              eval="[[ref('partner_1'), ref('partner_2')]]"/>
+            <function model="res.partner" name="send_inscription_notice"
+                eval="[[ref('partner_1'), ref('partner_2')]]"/>
 
-          <function model="res.users" name="send_vip_inscription_notice">
-              <function eval="[[('vip','=',True)]]" model="res.partner" name="search"/>
-          </function>
-      </data>
+            <function model="res.users" name="send_vip_inscription_notice">
+                <function eval="[[('vip','=',True)]]" model="res.partner" name="search"/>
+            </function>
+        </data>
 
-      <record id="model_form_view" model="ir.ui.view">
-
-      </record>
-  </odoo>
+        <record id="model_form_view" model="ir.ui.view">
+            ...
+        </record>
+    </odoo>
 
 .. ignored assert
 
diff --git a/content/developer/reference/backend/views.rst b/content/developer/reference/backend/views.rst
index 56b9707fd..67716d87c 100644
--- a/content/developer/reference/backend/views.rst
+++ b/content/developer/reference/backend/views.rst
@@ -114,9 +114,9 @@ an impact on all view types.
   .. code-block:: xml
 
     <tree decoration-info="state == 'draft'"
-      decoration-danger="state == 'help_needed'"
-      decoration-bf="state='busy'">
-      <TREE_VIEW_CONTENT>
+        decoration-danger="state == 'help_needed'"
+        decoration-bf="state='busy'">
+        <!-- TREE_VIEW_CONTENT -->
     </tree>
 
   .. warning::
@@ -1739,6 +1739,8 @@ root can have the following attributes:
     .. code-block:: xml
 
         <tree default_order="sequence,name desc">
+            ...
+        </tree>
 
 ``decoration-{$name}``
     allow changing the style of a row's text based on the corresponding
@@ -2485,7 +2487,7 @@ Possible children elements of the search view are:
     <searchpanel>
       <field name="department_id"/>
       <field name="manager_id" select="multi" domain="[('department_id', '=', department_id)]"/>
-    <searchpanel/>
+    </searchpanel>
 
   In the above example, the range of values for manager_id (manager names) available at screen
   will depend on the value currently selected for the field ``department_id``.
diff --git a/content/developer/reference/frontend/javascript_reference.rst b/content/developer/reference/frontend/javascript_reference.rst
index 18d310e8f..292fdda02 100644
--- a/content/developer/reference/frontend/javascript_reference.rst
+++ b/content/developer/reference/frontend/javascript_reference.rst
@@ -1369,36 +1369,36 @@ integer (FieldInteger)
         <field name="int_value" options='{"format": false}'/>
 
 float (FieldFloat)
-  This is the default field type for fields of type *float*.
+    This is the default field type for fields of type *float*.
 
-  - Supported field types: *float*
+    - Supported field types: *float*
 
-  Attributes:
+    Attributes:
 
-  - digits: displayed precision
+    - digits: displayed precision
 
-  .. code-block:: xml
+    .. code-block:: xml
 
-      <field name="factor" digits="[42,5]"/>
+        <field name="factor" digits="[42,5]"/>
 
-  Options:
+    Options:
 
-  - type: setting the input type (*text* by default, can be set on *number*)
+    - type: setting the input type (*text* by default, can be set on *number*)
 
-  On edit mode, the field is rendered as an input with the HTML attribute type
-  set on *number* (so user can benefit the native support, especially on
-  mobile). In this case, the default formatting is disabled to avoid incompability.
+    On edit mode, the field is rendered as an input with the HTML attribute type
+    set on *number* (so user can benefit the native support, especially on
+    mobile). In this case, the default formatting is disabled to avoid incompability.
 
-  .. code-block:: xml
+    .. code-block:: xml
 
-      <field name="int_value" options='{"type": "number"}'/>
+        <field name="int_value" options='{"type": "number"}'/>
 
-  - step: set the step to the value up and down when the user click on buttons
-    (only for input of type number, 1 by default)
+    - step: set the step to the value up and down when the user click on buttons
+        (only for input of type number, 1 by default)
 
-  .. code-block:: xml
+    .. code-block:: xml
 
-      <field name="int_value" options='{"type": "number", "step": 0.1}'/>
+        <field name="int_value" options='{"type": "number", "step": 0.1}'/>
 
     - format: should the number be formatted. (true by default)
 
@@ -1545,15 +1545,15 @@ phone (FieldPhone)
   - Supported field types: *char*
 
 url (UrlWidget)
-  This field displays an url (in readonly mode). The main reason to use it is
-  that it is rendered as an anchor tag with the proper css classes and href.
+    This field displays an url (in readonly mode). The main reason to use it is
+    that it is rendered as an anchor tag with the proper css classes and href.
 
-  Also, the text of the anchor tag can be customized with the *text* attribute
-  (it won't change the href value).
+    Also, the text of the anchor tag can be customized with the *text* attribute
+    (it won't change the href value).
 
-  .. code-block:: xml
+    .. code-block:: xml
 
-      <field name="foo" widget="url" text="Some URL"/>
+        <field name="foo" widget="url" text="Some URL"/>
 
     Options:
 
@@ -2068,7 +2068,7 @@ one2many (FieldOne2Many)
 
   .. code-block:: xml
 
-      <field name="turtles" options="{\'create_text\': \'Add turtle\'}">
+      <field name="turtles" options="{\'create_text\': \'Add turtle\'}"/>
 
 statusbar (FieldStatus)
   This is a really specialized widget for the form views. It is the bar on top
@@ -2096,7 +2096,7 @@ week_days (WeekDays)
 
   .. code-block:: xml
 
-      <widget name="week_days">
+      <widget name="week_days"/>
 
 Client actions
 ==============