-------
Windows
-------

+----------------------------------+---------------------------------------------------+------------------------+
| **Window**                       | Operators                                         | Output sequence length |
+==================================+===================================================+========================+
| :math:`y = \window{f}{label}\ x` | :math:`f: X \times \textrm{Opt}(X) \rightarrow Y` | :math:`|y| = |x|`      |
|                                  +---------------------------------------------------+                        |
|                                  | :math:`label: \one \rightarrow L`                 |                        |
+----------------------------------+---------------------------------------------------+------------------------+