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=head2 Problems with Scripts Running with Registry Handlers that Cache the Code

The following problem is relevant only to registry handlers that cache
the compiled script. For example it concerns
C<L<ModPerl::Registry|docs::2.0::api::ModPerl::Registry>> but not
C<L<ModPerl::PerlRun|docs::2.0::api::ModPerl::PerlRun>>.

=head3 The Problem

Let's say that there is a module C<My::Utils>:

  #file:My/Utils.pm
  #----------------
  package My::Utils;
  BEGIN { warn __PACKAGE__ , " was reloaded\n" }
  use base qw(Exporter);
  @EXPORT = qw(colour);
  sub colour { "white" }
  1;