plugins can't have a parameter called 'assign' in 3.1.30

[mossadal]

I stumbled over something that took me quite some time to track down.

In 3.1.30, creating a plugin like

function smarty_function_dummy(array $params, Smarty_Internal_Template $template)
{
    return "test";
}

and calling it via {dummy assign=x} results in no output in the resulting html file.

This worked fine in 3.1.29. (I have a bunch of plugins where I'm actually using a parameter named assign to do something useful.)

[uwetews]

function plugins called with assign attribute like {foo assign='bar'} did not output returned content because assumption was made that it was assigned to a variable

This is now fixed in the master branch