chromatic khqorjubywgzorg wednesday 07 november 2007 162741 jerry hedden wrote dont think following doesnt produce warnings seg fault perl e x universalisax undef however following perl x universalisax undef produces use uninitialized value subroutine entry e line 1 appear proven enabling warnings disables undef warning may additional point example subtle understand though c thu 07 aug 2008 102514 0800 perl 47233 core dump caused goto