Before this change the t-call can use only receive a literal as parameters:
<t t-call="template.name17" />
This call render the template 'template.name17' with the current context.
Now, we can defined an expression with braces (same syntax that t-attf):
<t t-call="template.name{{ 10 + 7 }}" />
This call render the template 'template.name17' with the current context.
This change allows for greater flexibility for applications using qweb.
(The performance due to this change is unchanged during rendering time.)
* __content__ can't be used in Python implementation because safe_eval, so use
``0`` from Python implementation instead
* remove postfix from t-call tests because due to implementation details all
whitespace crap following a t-name is added to rendered template in Python
impl, and don't want to normalize whitespace.
* document qweb based (mostly) on JS version
* convert JS qweb tests to (mostly) language-independent XML so they can be
used for JS and Python implementations
* add some more tests (e.g. precedence between t-value and body in t-set)
* remove ``t-import``
* fix parity in foreach(dict) (and rename some variables to make array and
object versions more similar)
Christophe Matthieu