and continuous)
<pre>
    "m[-10,10]"    - Creates a RooRealVar named 'm' with range [-10,10]
    "m[5,-10,10]"  - Idem, but with initial value 5
    "m[5]"         - Creates a constant RooRealVar with name 'm' and value 5.

    "tagCat[Lep,Kao,NT1,NT2]" -- Creates a RooCategory with name tagCat and labeled states Lep,Kao,NT1,NT2
    "b0flav[B0=1,B0bar=-1]"   -- Creates a RooCategory with name b0flav and states B0 and B0bar with explicit index assignments
</pre>



<li> Expressions with parentheses create <