util.dataforms: Encode size attributes as integers in XEP-0221 media element
Otherwise very large fields would be serialized in e notation
For full information on our dependencies, version requirements, and
where to find them, see https://prosody.im/doc/depends
If you have luarocks available on your platform, install the following:
- luaexpat
- luasocket
- luafilesystem
- luasec