Split off from bug 6192816 to cover the GNOME man page portion of that bug:
# catman -M /usr/share/man
Can't find referent of .so in /usr/share/man/sman1/srcore.1
% man srcore
Reformatting page. Please Wait...Can't find referent of .so in /usr/man/sman1/srcore.1
%
It appears to be looking to a non-existent gnopernicus.1 man page for the
text.