variable names (e.g. "myvar" -E<gt> "MyPackage::myvar"). If it is given a
second parameter, C<qualify> uses it as the default package;
otherwise, it uses the package of its caller. Regardless, global
-variable names (e.g. "STDOUT", "ENV", "SIG") are always qualfied with
+variable names (e.g. "STDOUT", "ENV", "SIG") are always qualified with
"main::".
Qualification applies only to symbol names (strings). References are