Issue #5578 has been updated by Yasushi ANDO.

File prelude.rb.yaml.patch added
File parse.y.yaml.patch added

Hi  Thomas, this is a stunning idea for me! I attached my patches of bad quality to add the yaml literal to ruby1.9.3. I wish they could help you. 
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Feature #5578: Embedded YAML for Ruby 2.0
http://redmine.ruby-lang.org/issues/5578

Author: Thomas Sawyer
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 2.0.0


Way cool would be support for embedded YAML.

  data = ---
         a: 1
         b: 2
         c: 3
         ...




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