#3 User guide should specify that "toggle" menus are only available on blocks

[Jesko G. Lamm]

The context menu items "Toggle logging verbosity" and "Toggle strict context checking" are only available on blocks, and not e.g. on diagrams. This is good because the context menu of diagrams would otherwise be overloaded.

It would however be nice to give the user a hint in the user guide that these menu items need to be invoked on blocks always.

[Werner Gerritsen]

The menu is mentioned in the user guide, I think with that this is coverd