[IMP][web_action_conditionable] readme

web_action_conditionable/readme/DESCRIPTION.rst

@@ -1,5 +1,7 @@
-This module was written to extend the functionality of actions in tree views.
-Odoo by default support:
+This module was written to allow developers to fine tune available actions in
+form and tree views.
+
+Odoo by default supports:
 
 ::
 
@@ -11,10 +13,19 @@ with this module you can do:
 
    <tree delete="state=='draft'">
 
-you can use `_group_refs` to make a condition based on the user's groups:
+Further, you can use `_group_refs` to make a condition based on the user's
+groups:
 
 ::
 
-   <tree delete="'base.group_user' in _group_refs">
+   <form delete="'base.group_user' in _group_refs">
 
-It works in any tree view, so you can use it in One2many.
+You also have access to ``_context`` for the current context. This way, you can
+for example craft actions that pass a context key which decides if some of the
+action buttons are shown.
+
+Note that for tree views, this will not work on a per record base, and the
+values you have access to are the values of the form the x2many field is in.
+
+You do however have access to ``_context`` and ``_group_refs`` in for the
+actions of standalone tree views.