andreas@nsnx:~$ rmadison -s xenial libzstd libzstd | 0.5.1-1 | xenial/universe | source andreas@nsnx:~$ rmadison -s xenial-updates libzstd andreas@nsnx:~$ rmadison -s xenial-proposed libzstd libzstd | 1.3.1+dfsg-1~ubuntu0.16.04.1 | xenial-proposed/universe | source
andreas@nsnx:~$ rmadison -s xenial libzstd 1~ubuntu0. 16.04.1 | xenial- proposed/ universe | source
libzstd | 0.5.1-1 | xenial/universe | source
andreas@nsnx:~$ rmadison -s xenial-updates libzstd
andreas@nsnx:~$ rmadison -s xenial-proposed libzstd
libzstd | 1.3.1+dfsg-