* `gamma` is extended to incomplete gamma integrals.
* `close` is extended to close the help browser, xcos, or the variables browser or editor GUIs.
* `polyint` is introduced to compute polynomial antiderivatives.
-* Listbox uicontrol callback is now triggered by item click in single selection mode. For example, it allows successive execution of a demo in the demonstrations gui.
* `det` is now actually extended to sparse matrices.
* `deff` is upgraded:
- The created function may be returned as output argument.