I did look at Corelist and got the impression that none of these are "core" modules. But I didn't look at what non-"core" modules Strawberry includes by default.

Looking at the code for _use(): 

sub _use  ## no critic (Subroutines::ProhibitNestedSubs);
    { my( $module, $version)= @_;
...
      if( eval "require $module") { ...

[download]

Perhaps they have something loaded that is changing the return value from 'require'? It is pretty darn rare for people to care about the return value from a 'require', which is why I'd write such code as: 

      if( eval "require $module; 1" ) { ...

[download]

I'd also try "require LWP" and see what Perl says in response. It would be good to change Twig so that $@ from one of the _use() calls would be appended to the "cannot expand %dtd; - cannot load 'http://127.0.0.1:5000/parameterEntity_core.dtd'" error messages. [ People often seem to underrate the value of error messages. :) ]

- tye        

In reply to Re^3: XML::Twig Support for Parameter Entities (errors) by tye
in thread XML::Twig Support for Parameter Entities by dtdattacks

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