Tres Seaver wrote at 2007-3-22 07:24 -0400:
> ...
>- --------
>Give templates an optional 'prolog' attribute, which, if present, would
>be prepended to the rendered output.
>- -------
>- - The prolog would likely need to be ASCII, as it appears before any of
>  the inline encoding hints.  ZPT might not need to enforce this
>  constraint.
>- - Persistent templates would expose this attribute as a property (in
>  the Zope2 ZMI) or as part of their schema (IZPTPage, or whatever).
>- - Filesystem-based templtes would have to keep the prolog in an
>  ancillary file (e.g., the CMF's '.metadata' file).


Apart from the necessity to have a ".metadata" file to specify
a prolog for filesystem based templates.

Usually, all HTML templates and all XML templates of a site
share a common DTD (and or prolog). It would be nice to be able
to configure the default prologs (and use a ".metadata" only when
the default is inadequate).

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