[bug #64959] [troff] add unit tests for `device` and `output` requests

Update of bug#64959 (group groff): Status: In Progress => Fixed Open/Closed:Open => Closed Planned Release:None => 1.24.0 ___

[bug #65138] [troff] `device` request silently fails before first page begins

Update of bug#65138 (group groff): Status: In Progress => Fixed Open/Closed:Open => Closed Planned Release:None => 1.24.0 ___

[bug #64232] [devices] stop assigning `*[a-ik-uw-z]` special characters to italic fonts

Update of bug#64232 (group groff): Status:None => Invalid Assigned to:None => gbranden Open/Closed:Open => Closed ___

[bug #64231] [eqn] use italic face for lowercase Greek letters in nroff mode

Update of bug#64231 (group groff): Dependency Removed: => bugs #64232 ___ Reply to this item at: ___ Message s

[bug #64231] [eqn] use italic face for lowercase Greek letters in nroff mode

Follow-up Comment #2, bug#64231 (group groff): Bug #64232 turned out to be invalid; what I wanted was already the case. This matter was explored more deeply by Tadziu and me in a thread on the _groff_ list. https://lists.gnu.org/archive/html/groff/2024-01/msg00019.html https://lists.gnu.org/arch