Make pg_top observe PGDATABASE, PGUSER, PGHOST, and PGPORT environment variables.
Make pg_top observe PGDATABASE, PGUSER, PGHOST, and PGPORT environment
variables.

markwkm/pg_top,markwkm/pg_top,mw2q/pg_top,mw2q/pg_top,markwkm/pg_top,mw2q/pg_top