Bugs item #3264, was opened at 2006-01-16 19:27
You can respond by visiting: 
http://rubyforge.org/tracker/?func=detail&atid=1698&aid=3264&group_id=426

Category: Standard Library
Group: None
Status: Open
Resolution: None
Priority: 3
Submitted By: Luke Kanies (lkanies)
Assigned to: Nobody (None)
Summary: YAML produces many warnings

Initial Comment:
When using the YAML library, I get tons of warnings from it:

/usr/lib/ruby/1.8/yaml.rb:133: warning: instance variable @input not initialized
(eval):6: warning: instance variable @taguri not initialized
(eval):6: warning: instance variable @taguri not initialized
(eval):6: warning: instance variable @taguri not initialized
(eval):6: warning: instance variable @taguri not initialized
/usr/lib/ruby/1.8/yaml.rb:133: warning: instance variable @input not initialized
(eval):6: warning: instance variable @taguri not initialized
(eval):6: warning: instance variable @taguri not initialized
(eval):6: warning: instance variable @taguri not initialized
(eval):6: warning: instance variable @taguri not initialized

This is on 1.8.3.

Obviously this is not a functional bug, but it is simple enough to fix by checking to see if a variable is defined.

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You can respond by visiting: 
http://rubyforge.org/tracker/?func=detail&atid=1698&aid=3264&group_id=426