Add test.
Add test.

'Alias' is a keyword only inside a declare statement; this test checks that it is highlighted as an an identifier when used outside a declare.

Signed-off-by: Charles <cbdb0cc7f3f5b4be81a75fa7242590e3e9882e1e@declareSub.com>

declaresub/pygments-xojo,declaresub/pygments-xojo