eregon	2018-03-02 21:56:37 +0900 (Fri, 02 Mar 2018)

  New Revision: 62635

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62635

  Log:
    Clarify the documentation of the YAML module [Misc #14567]
    
    Based on a patch from Victor Shepelev

  Modified files:
    trunk/lib/yaml.rb
Index: lib/yaml.rb
===================================================================
--- lib/yaml.rb	(revision 62634)
+++ lib/yaml.rb	(revision 62635)
@@ -1,6 +1,4 @@ https://github.com/ruby/ruby/blob/trunk/lib/yaml.rb#L1
 # frozen_string_literal: false
-##
-# The YAML module is an alias of Psych, the YAML engine for Ruby.
 
 begin
   require 'psych'
@@ -17,7 +15,7 @@ YAML = Psych # :nodoc: https://github.com/ruby/ruby/blob/trunk/lib/yaml.rb#L15
 #
 # This module provides a Ruby interface for data serialization in YAML format.
 #
-# The underlying implementation is the libyaml wrapper Psych.
+# The YAML module is an alias of Psych, the YAML engine for Ruby.
 #
 # == Usage
 #
@@ -31,6 +29,9 @@ YAML = Psych # :nodoc: https://github.com/ruby/ruby/blob/trunk/lib/yaml.rb#L29
 #     YAML.dump("foo")     # => "--- foo\n...\n"
 #     { :a => 'b'}.to_yaml  # => "---\n:a: b\n"
 #
+# As the implementation is provided by the Psych library, detailed documentation
+# can be found in that library's docs (also part of standard library).
+#
 # == Security
 #
 # Do not use YAML to load untrusted data. Doing so is unsafe and could allow

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