3.1.4.2 3-Month mode commands

.

Previous, actual and next month of the current year, e.g.:

          gcal .

. yyyy

Previous, actual and next month of selected year, e.g.:

          gcal . 1992

..

Actual quarter of the current year, e.g.:

          gcal ..

.. yyyy

Actual quarter of selected year, e.g.:

          gcal .. 1992

.+

Actual and next two months of the current year, e.g.:

          gcal .+

.+ yyyy

Actual and next two months of selected year, e.g.:

          gcal .+ 1992

.-

Actual and previous two months of the current year, e.g.:

          gcal .-

.- yyyy

Actual and previous two months of selected year, e.g.:

          gcal .- 1992