\ref

Description 

This operator is coupled with the previous one \label (see cf. §). It uses a defined label in a Doodle string (title, caption \text parameter etc...). The use of a label identifier can be earlier in the Doodle source than its definition. In other words, user can make forward references. The symbol given in parameter is substituted in the string by the number of the step in which the symbol definition is made. So it's a very convenient way to designate steps in strings which is independent steps order.
This operator should only appear within a string argument of another one.

Usage

  \caption("Repeat from step \ref(beginRepeat) to \ref(endRepeat).");
  \caption("Refer to step \ref(result) to see result.");

Formal structure

  \ref(SYMBOL)

Parameters

  SYMBOL
  Description    : Indicates the label symbol to refer. 
  Type           : Symbol, label identifier (same as vertex identifier).
  Allowed values : Any label identifier defined.