[ZPT] "structure" and TAL interpretation

[Fred Drake]

On Fri, 23 Jul 2004 16:06:13 +0100, Jean-Michel Hiver <jhiver at mkdoc.com> wrote:
> The way I've implemented this in Petal (the Perl 'evil twin' of ZPT), is
> to always HTML-encode the result of the evaluation of TALES expressions
> unless the keyword 'structure' is there.
> 
> So 'structure' is really a keyword that says "this string is already
> encoded buddy, don't double-encode it".

Except in the Python implementation, saying "structure" also means to
re-evaluate TAL markup returned as part of the replacement.  So I'd
claim that Petal doesn't implement the same language as the TAL (Zope
2) or zope.tal (Zope 3) Python packages.

What's interesting to note is that this re-evaluation of the
replacement text for "structure" doesn't seem to be mentioned in the
specification:

http://zope.org/Wikis/DevSite/Projects/ZPT/TAL%20Specification%201.4


  -Fred

-- 
Fred L. Drake, Jr.    <fdrake at gmail.com>