gistfile1.txt

    <plone:behavior
        name="plone.testbeh.gotcha"                                                                                                                                   
        title="Gotcha"
        description="Gotchas"
        provides=".behaviour.IGotcha"                                                                                                                                 />

  <browser:viewlet                                                                                                                                                 
     name="plone.logo"
     for=".behaviour.IGotcha"
     manager="plone.app.layout.viewlets.interfaces.IPortalHeader"
     template="logo-viewlet.pt"
     permission="zope2.View"                                                                                                                                       />

gistfile2.txt

# -*- coding: utf-8 -*-

from plone import schema
from plone.autoform import directives
from plone.autoform.interfaces import IFormFieldProvider

from plone.supermodel import model
from zope.interface import provider


@provider(IFormFieldProvider)
class IGotcha(model.Schema):
    """
    """

    gotcha = schema.TextLine(
    ¦   title=u'Gotchas',
    ¦   description="got desc",
    ¦   required=False,
    )

    model.fieldset(
    ¦   'categorization',
    ¦   fields=['gotcha'],
    )

    directives.order_after(gotcha='IDublinCore.language')