apt-cache showsrc <sourcepackage|package> knows. Sometimes source packages in main have some of their binary packages in Universe.
daniel@bert:~/update/ubuntu-docs-6.03.5$ apt-cache showsrc sqlite | grep Dir Directory: pool/main/s/sqlite daniel@bert:~/update/ubuntu-docs-6.03.5$
apt-cache showsrc <sourcepackage| package> knows. Sometimes source packages in main have some of their binary packages in Universe.
daniel@ bert:~/ update/ ubuntu- docs-6. 03.5$ apt-cache showsrc sqlite | grep Dir bert:~/ update/ ubuntu- docs-6. 03.5$
Directory: pool/main/s/sqlite
daniel@