This is probably https://bugs.debian.org/853848https://bugs.debian.org/853848,
fixed by upgrading/removing:
fonts-beng-extra
fonts-deva-extra
fonts-gujr-extra
fonts-guru-extra
fonts-orya-extra, fixed by upgrading/removing:
Debian bug 853848 was fixed a year ago, so upgrading won't help this issue.
I purged those pkgs, and the problem remained. The pkg removal resulted
in various leftovers (with errors), despite --purge:
/etc/fonts/conf.avail/65-0-fonts-guru-extra.conf
/etc/fonts/conf.avail/65-0-fonts-orya-extra.conf
/etc/fonts/conf.avail/65-0-fonts-deva-extra.conf
/etc/fonts/conf.avail/65-0-fonts-gujr-extra.conf
/etc/fonts/conf.avail/65-0-fonts-beng-extra.conf
/usr/share/fonts/truetype/fonts-guru-extra/
/usr/share/fonts/truetype/fonts-orya-extra/
/usr/share/fonts/truetype/fonts-deva-extra/
/usr/share/fonts/truetype/fonts-gujr-extra/
/usr/share/fonts/truetype/fonts-beng-extra/
removing the above manually has finally sorted the problem for me.
thanks very much.
cheers,
calum.