Thanks for your help!
FWIW, as it took me a bit to figure out how my libnspr4 version could be outdated:
I have 0ad installed from the wfg ppa, which depends on libmozjs-31-0, which depends on libnspr4, and has this version in the ppa: libnspr4_4.10.10-0ubuntu0.14.04.1~12.04~wfg1_i386.deb - and that's apparently seen as an upgrade of libnspr4_4.12-0ubuntu0.12.04.1_i386.deb
Thanks for your help! 4.10.10- 0ubuntu0. 14.04.1~ 12.04~wfg1_ i386.deb - and that's apparently seen as an upgrade of libnspr4_ 4.12-0ubuntu0. 12.04.1_ i386.deb
FWIW, as it took me a bit to figure out how my libnspr4 version could be outdated:
I have 0ad installed from the wfg ppa, which depends on libmozjs-31-0, which depends on libnspr4, and has this version in the ppa: libnspr4_