tigefa4u projects Trac

Some recent pytz versions expect a datetime argument to `tzinfo.tzname()`, so provide it.

Closes #9188.

Follow-up to r9399, avoid an error when author is None.

{{{
Event provider <tt>TicketModule</tt> failed for filters Opened and closed tickets: <b>AttributeError: 'NoneType' object has
no attribute 'lower'</b>
}}}

0.11.7.1: Added a missing `req` argument to `wiki_to_outline()`.

Closes #9183.

0.11.7.1: Backported [9409] from trunk.

web: Ensure cookie headers are UTF-8 encoded before being passed to the web server.

Closes #9176.

Add support for margin-* parameters to the Image macro.

Patch contributed by jsiirola@... on #9182.

Fix a ''Cannot operate on a closed cursor'' error happening after a repository sync in trac-admin.

db: Allow specifying a key size for a column in the database schema to be used ''if necessary'' by the backend when creating tables. This is typically used by the MySQL backend to avoid compound keys larger than 1000 bytes, and replaces the special cases for columns named `rev`, `path` and `change_type`.

Closes #9138.

authz_policy: Don't depend on the order of items in a `dict`.

Part of #8565.

Fix a message in italian catalog, in order to avoid triggering an exception during translation.

Patch contributed by Lele Gaifax.

Fixes #9171.