[ZPT] ANN: PageTemplates 1.4.0, TAL 1.4.0, ZTUtils 1.1.0

[Peter Bengtsson]

When will we see ZPT in the help of Zope?
It's annoying to see the PROBLEM(100)
[...]/zope/lib/python/Products/PageTemplates/help
error message all the time.

I know that the manuals are changing constantly and all, but it doesn't have
to be fancy.
Just squash down all there is at the moment and we'll help you along the
way.

An often offline worker,
Peter

> The newest ZPT is up.  It only includes two of the proposals from the
> straw poll, but the others may take some time, so here we go:
>
> Page Template changes
>
>    Features Added
>      - ZPTs are now cache-enabled
>      - Added property sheet to ZPT
>
>    Bugs Fixed
>      - Expressions with embedded newlines were broken
>      - History comparison tried to expand macros
>      - Iterator exceptions weren't converted
>      - 'Unauthorized' exception couldn't be handled by on-error
>
> TAL changes
>
>    Features Added
>      - Added TAL statement: omit_tag="[<boolean expr>]" replaces
>        the statement tag with its contents if the boolean
>        expression is true or omitted.
>      - The TAL and METAL namespaces can be applied to tag names,
>        tags in these namespaces are removed from rendered output
>        (leaving the contents in place, as with omit_tag)
>        whenever attributes in these namespaces would be, and
>        tag attributes without explicit namespaces default to the
>        tag's namespace (per XML spec).
>
> ZTUtils changes
>
>    Features Added
>      - TreeMakers have a setChildAccess() method that you can use
>        to control tree construction.  Child nodes can be accessed
>        through either an attribute name or callback function.
>        Children fetched by attribute name can be filtered through a
>        callback function.
>      - A new LazyFilter class allows you to filter a sequence using
>        Zope security and an optional filter callback function.  The
>        security and filter tests are lazy, meaning they are
>        performed as late as possible.
>
>        The optional 'skip' argument determines the reaction when
>        access to a sequence element is refused by the Zope security
>        policy.  The default (None) is to raise the 'Unauthorized'
>        exception.  If a string is passed, such elements are
>        skipped.  If the string is non-empty, it is treated as a
>        permission name, and the element is skipped if the user
>        doesn't have that permission on the element.
>      - The Zope versions of TreeMaker, SimpleTreeMaker, and Batch
>        now use LazyFilter. The TreeMakers have a setSkip() method
>        that can be used to set the 'skip' value. Batch has an
>        optional 'skip_unauthorized' argument that is passed to
>        LazyFilter as 'skip'.
>      - Utility functions make_query(), url_query(), and
>        make_hidden_input() have been added.
>
> Cheers,
>
> Evan @ Zope
>
>
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