It may be lag, or CPANTS YAML module is too old 
$ wget http://cpansearch.perl.org/src/SILASMONK/Test-Regression-0.03/M
+ETA.yml

$ perl -MDDS  -mYAML -le'Dump( YAML::LoadFile( shift))' META.yml
$HASH1 = {
           abstract   => 'Test library that can be run in two modes: o
+nce to generate outputs and secondly to compare against them',
           author     => [ 'Nicholas Bamber <nicholas@periapt.co.uk>' 
+],
           build_requires
                      => { "ExtUtils::MakeMaker" => 0 },
           configure_requires
                      => { "ExtUtils::MakeMaker" => 0 },
           distribution_type
                      => 'module',
           generated_by
                      => 'ExtUtils::MakeMaker version 6.54',
           license    => 'perl',
           "meta-spec"
                      => {
                           url     => 'http://module-build.sourceforge
+.net/META-spec-v1.4.html',
                           version => 1.4
                         },
           name       => 'Test-Regression',
           no_index   => { directory => [
                           't',
                           'inc'
                         ] },
           requires   => {
                           "Algorithm::Diff"   => 0,
                           "Test::Differences" => 0,
                           "Test::More"        => 0,
                           "Text::Diff"        => 0
                         },
           version    => 0.03
         };

$ pmvers YAML
0.70

[download]

In reply to Re: I am not a META.yml expert..... by Anonymous Monk
in thread I am not a META.yml expert..... by SilasTheMonk

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.