ainola [1] filed a request to merge demjson [2] into python-demjson [3]: Since this is a Python module, it should follow the naming conventions.
[1] https://aur.archlinux.org/account/ainola/ [2] https://aur.archlinux.org/pkgbase/demjson/ [3] https://aur.archlinux.org/pkgbase/python-demjson/
