YAML hash of array (ruby <-> perl)

ruby-talk
1

Hi, I am using yaml to pass data between ruby and perl.

Given the data of h={"a"=>[1,2]}, perl's YAML gives the result of
a:
  - 1
  - 2

while ruby gives the result of, by YAML.dump(h)
a:
- 1
- 2

Note there is no space after "a:", while perl's have space

Therefore, the data provided by ruby could not be used by perl.
Is this considerd valid YAML?

Thanks!

2

Note there is no space after "a:", while perl's have space
   
  I get a space after "a:"
   
  irb(main):020:0> YAML.dump(h)
=> "--- \na: \n - 1\n - 2"

···

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3

My version of ruby is
           ruby 1.8.3 (2005-09-21) [i386-mswin32]
Compiled myself

Yours?