[SR-Users] Check for existence of URI param

[Iñaki Baz Castillo]

2010/6/28 Alex Balashov <abalashov at evaristesys.com>:
>  if(! $(var(dest){param.value,b}))
>
> which clearly cannot work as the parameter has no _value_.

There should be a function like:

  $(var(dest){has_param,b})

-- 
Iñaki Baz Castillo
<ibc at aliax.net>