Adds a #GOptionGroup to the @context, so that parsing with @context will recognize the options in the group. Note that this will take ownership of the @group and thus the @group should not be freed.
the group to add
2.6
See Implementation
Adds a #GOptionGroup to the @context, so that parsing with @context will recognize the options in the group. Note that this will take ownership of the @group and thus the @group should not be freed.