collective.behavior.salable provides behavior to switch dexterity content types salable.

• Plone-4.3.6 with Python-2.7.10 [taito]

The behavior can be added through the web or directly through the file system to the dexterity content type xml file like:

<property name="behaviors">
  ...
  <element value="collective.behavior.salable.interfaces.ISalable" />
  ...
</property>