Quotes are significant to YAML and the item in the sequence for author is throwing it off. I get an error from Syck as well. Surround the whole value with single quotes, or use a block scalar indicator.

--- #YAML:1.0
name: Regexp-NamedCaptures
version: 0.03
author:
  - |-
    "Joshua ben Jore" <jjore@cpan.org>
abstract: Saves capture results to your own variables
license: perl
generated_by: Module::Build version 0.2611, without YAML.pm
[download]

Update: Reworded to (hopefully) clarify exactly what I meant by surround with quotes.