Cumulative License field

[voxik]

Specifying multiple License fields is currently prohibited:

warning: line 180: second License
error: Duplicate License entries in package: (main package)

Is it possible to change the behavior so the multiple license fields were supported and there would be AND relation between them?

For example, currently the license line can look like this:

# BSD-3-Clause: missing/{crypt,mt19937,setproctitle}.c
# ISC: missing/strl{cat,cpy}.c
# Public Domain for example for: include/ruby/st.h, strftime.c, missing/*, ...
# MIT and CCO: ccan/*
# zlib: ext/digest/md5/md5.*, ext/nkf/nkf-utf8/nkf.c
# Unicode-DFS-2015: some of enc/trans/**/*.src
License: (Ruby OR BSD-2-Clause) AND BSD-3-Clause AND ISC AND Public Domain AND MIT and CC0 AND zlib AND Unicode-DFS-2015

But it could look this way:

License: Ruby OR BSD-2-Clause
# BSD-3-Clause: missing/{crypt,mt19937,setproctitle}.c
License: BSD-3-Clause
# ISC: missing/strl{cat,cpy}.c
License: ISC
# Public Domain for example for: include/ruby/st.h, strftime.c, missing/*, ..
License: Public Domain
# MIT and CCO: ccan/*
License: MIT and CC0
# zlib: ext/digest/md5/md5.*, ext/nkf/nkf-utf8/nkf.c
License: zlib
# Unicode-DFS-2015: some of enc/trans/**/*.src
License: Unicode-DFS-2015

[voxik]

Apart from the example above, which could make easier to elaborate about the licenses, I have package with subpackages which I am trying to drop (include in the main package). However, each of this subpackages has its own license field. If the license was cumulative, I could just copy paste the subpackage licensing section as it is.

[voxik]

Just realized that one problem is that RPM knows nothing about the actual content of the License tag, therefore it would not be easy to "just merge them" into single field, if needed.