Plone.app.layout

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- Fixed i18n in content_history template.
There were two nested msgids and dynamic content.
[vincentfretin]

- Removed stray span tags in the comment byline.
[limi]

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- Added navigation_root_url to the common viewlets base class. Adjusted the
various viewlets templates to use the new attribute. Changed the dashboard
view to be available on an INavigationRoot.
This implements http://plone.org/products/plone/roadmap/234
[calvinhp]

- Default to using the content history viewlet instead of the workflow history
viewlet.
[wichert]

- Add options to show differences between consecutive versions, and revert to
and preview older revisions to the content history viewlet.
[wichert]

- Use the new history view from CMFEditions instead of the crufty old form.
[wichert]

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- Adjust the caching of sitemap.xml.gz. We only cache for anonymous users. That
fixes a bug where a cached sitemap.xml.gz is delivered with information that
only an user with more privilegs is allowed to see. We also make sure that
the cached file was build with a current catalog by adding the catalog
counter to the cache key. Based on a patch by stxnext. Fixes
http://dev.plone.org/plone/ticket/8402
[stxnext, csenger]

- Added time_only for use with toLocalizedTime so that event_view now localizes
the start/end times if the start/end dates are the same. Closes
http://dev.plone.org/plone/ticket/8607
[jnelson, calvinhp]

- Fixed Plone 3.1 backward compatibility of above.
[stefan]

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- Modified user profile item on the dashboard to use an image tag
instead of a background image. This makes it more consistent with
the other list items and easier to style for RTL scripts.
[emanlove]

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- Avoid a test failure caused by test interdependencies.
[hannosch]

- Fixed tests for the language method of the portal state view.
[hannosch]

- Fixed keywords.pt to properly encode ampersands in its links. This closes
http://dev.plone.org/plone/ticket/8509
[younga3, dunlapm]

- Fixed site_icon so that we would have flipped icon in case of RTL.
This closes http://dev.plone.org/plone/ticket/4576
[spliter]

- Fixed generation of links to author.cpt for user IDs that are a URL
(OpenID users, e.g.). This closes http://dev.plone.org/plone/ticket/8040
[davisagli]

- Add some tests on private contents for sitemap.xml.gz generation. This
closes http://dev.plone.org/plone/ticket/8402
[encolpe]

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- Fixed an invalid message id for the dashboard. This closes
http://dev.plone.org/plone/ticket/7758.
[hannosch]

- Fixed comments.pt to pass the title of the comment you are replying to into
the discussion_reply_form. This closes
http://dev.plone.org/plone/ticket/8323
[calvinhp]

- Refactor default_page: move all logic out of the view to separate methods
so they can be called without a request (which is not used at all).
Deprecate parameters which were not in the interface and were never used.
[wichert]

- Added note that Javascript is required for presentation mode. This closes
http://dev.plone.org/plone/ticket/7575 and
http://dev.plone.org/plone/ticket/7573
[limi]

- Fixed plone_context_state's view_url method to work with contexts that don't
have a portal_type. This closes http://dev.plone.org/plone/ticket/8028.
[davisagli]

- Changed IContentIcon to expose users to the title of the FTI instead of the
portal_type. This closes http://dev.plone.org/plone/ticket/8246.
[hannosch]

- Adjusted deprecation warnings to point to Plone 4.0 instead of Plone 3.5
since we changed the version numbering again.
[hannosch]