[ruby-core:51193] [ruby-trunk - Bug #7636][Open] Problems in the documnt of psych

Issue #7636 has been reported by ohai (Ippei Obayashi).

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Bug #7636: Problems in the documnt of psych 
https://bugs.ruby-lang.org/issues/7636

Author: ohai (Ippei Obayashi)
Status: Open
Priority: Normal
Assignee: 
Category: DOC
Target version: 
ruby -v: ruby 2.0.0dev (2012-12-01 trunk 38126) [x86_64-linux]


I found some mistakes in the comment of psych library.

The following is the comment of Psych.load:
  # Example:
  #
  #   Psych.load("--- a")             # => 'a'
  #   Psych.load("---\n - a\n - b")   # => ['a', 'b']
  #
  #   begin
  #     Psych.load("--- `", "file.txt")
  #   rescue Psych::SyntaxError => ex
  #     ex.file    # => 'file.txt'
  #     ex.message # => "(foo.txt): found character that cannot start any token"
  #   end
The return value of ex.message is not correct. "foo.txt" should be "file.txt".
We can find the same errros on some other methods.

The attached patch fixes this problem. The patch also update the message 
for newer versions.


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