Follow-up Comment #5, bug #21343 (project wesnoth):
This can be useful in every case where a closure can be useful, because this
is basically it. I lost the perticuliar case I wrote this in the first place,
as I worked around it some times ago.
The idea as far as I remembered is there is no easy way to pass a bunch of
values to macros, and macros are usefull to avoid copy-and-paste code,
especially outside ActionWML, (like the inability to loop to emit the choice
options of a [message] tag, but my issue was different). But macro closure is
probably not an elegant solution either.
Feel free to close it.
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