pentamassiv [1] filed an orphan request for opengrm-ngram [2]:
The package has not been updated for years and has been flagged for 5
years now. A new version has been available for a long time. I
contacted the current maintainer via mail and he replied saying that
he no longer uses Arch :S
[1] https://aur.archlinux.org/account/pentamassiv/
[2] https://aur.archlinux.org/pkgbase/opengrm-ngram/