• Debian, 5.8.8, P::RD 1.94:

      Warning (line 27): Found an error marker (<error>) after an uncond
  +itional
                         <error>
                  (Hint: An unconditional <error> always causes the prod
  +uction
                         containing it to immediately fail. An error mar
  +ker that
                         follows an <error> will never be reached. Did y
  +ou mean
                         to use <error?> instead?)
  
         ERROR (line 1): Invalid startOfRecord: Was expecting RECORDSTAR
  +T
  [download]

• WinXP, Active Perl 5.10.0 build 5001, P::RD 1.94: (repeated 3 times with different line numbers)

  Variable "$errortext" is not available at c:/progs/perl5100/site/lib/P
  +arse/RecDescent.pm line 2917.
  Variable "$errorprefix" is not available at c:/progs/perl5100/site/lib
  +/Parse/RecDescent.pm line 2917.
  Use of uninitialized value $errorprefix in formline at c:/progs/perl51
  +00/site/lib/Parse/RecDescent.pm line 2850.
  Use of uninitialized value $errortext in formline at c:/progs/perl5100
  +/site/lib/Parse/RecDescent.pm line 2850.
  Use of uninitialized value $errortext in formline at c:/progs/perl5100
  +/site/lib/Parse/RecDescent.pm line 2852.
                       :
  [download]

  Repeated twice with different line numbers.

• WinXP, Active Perl 5.10.0 build 5004, P::RD 1.94:

  same.

• WinXP, Active Perl 5.10.0 build 5004, with P::RD 1.94 installed from CPAN instead of PPM:

  same.

• WinXP, Active Perl 5.8.8, P::RD 1.94:

      Warning (line 27): Found an error marker (<error>) after an uncond
  +itional
                         <error>
                  (Hint: An unconditional <error> always causes the prod
  +uction
                         containing it to immediately fail. An error mar
  +ker that
                         follows an <error> will never be reached. Did y
  +ou mean
                         to use <error?> instead?)
  
         ERROR (line 1): Invalid startOfRecord: Was expecting RECORDSTAR
  +T
  [download]

Looks like an incompatibility with 5.10.0.

I guess I'll have to look at the actual code, but it'll have to wait.

Update: I've never seen that error message before, so here's what diagnostics has to say about it:

    (W closure) During compilation, an inner named subroutine or eval 
+is
    attempting to capture an outer lexical that is not currently avail
+able.
    This can happen for one of two reasons. First, the outer lexical m
+ay be
    declared in an outer anonymous subroutine that has not yet been cr
+eated.
    (Remember that named subs are created at compile time, while anony
+mous
    subs are created at run-time.) For example,

        sub { my $a; sub f { $a } }

    At the time that f is created, it can't capture the current value 
+of $a,
    since the anonymous subroutine hasn't been created yet. Conversely
+,
    the following won't give a warning since the anonymous subroutine 
+has by
    now been created and is live:

        sub { my $a; eval 'sub f { $a }' }->();

    The second situation is caused by an eval accessing a variable tha
+t has
    gone out of scope, for example,

        sub f {
        my $a;
        sub { eval '$a' }
        }
        f()->();

    Here, when the '$a' in the eval is being compiled, f() is not curr
+ently being
    executed, so its $a is not available for capture.
[download]

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