--
* array.c (rb_ary_uniq_bang): call ARY_SET_LEN(ary, 0) before
  rb_resize_capa because rb_resize_capa expects resized length is
  smaller than current array length. call rb_ary_unshare before
  rb_resize_capa because rb_resize_capa losts the reference to
  original shared array.
--
Add ML Reference and a test for r30736 [ruby-core:34997]
--
Additional fix for r30736

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--
* array.c (rb_ary_join): [].join.encoding must be US-ASCII.
  [ruby-list:47790]

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--
* array.c (rb_ary_permutation, rb_ary_repeated_permutation, rb_ary_repeated_combination, rb_ary_product): use ary_make_shared_copy instead of ary_make_substitution.  [ruby-dev:42067] [Bug #3708]
* test/ruby/test_array.rb (test_product, test_repeated_permutation, test_repeated_combination): append assertions against [Bug #3708].

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--
* array.c (rb_ary_product): clear uninitialized elements in temporary
  array.
--
* test/ruby/test_array.rb (test_product): test for r28187.

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  the entries marked.  [ruby-dev:41540]


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	  arrays by GC.


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	* array.c (rb_ary_product): Do not rely on GC, t0 should be
	  checked explicitly.


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            Harmonize "#=>" in examples. [ruby-core:30206]

* bignum.c: ditto

* class.c: ditto

* compar.c: ditto

* cont.c: ditto

* dir.c: ditto

* encoding.c: ditto

* enum.c: ditto

* enumerator.c: ditto

* error.c: ditto

* eval.c: ditto

* file.c: ditto

* gc.c: ditto

* hash.c: ditto

* io.c: ditto

* load.c: ditto

* marshal.c: ditto

* math.c: ditto

* numeric.c: ditto

* object.c: ditto

* pack.c: ditto

* proc.c: ditto

* process.c: ditto

* random.c: ditto

* range.c: ditto

* re.c: ditto

* ruby.c: ditto

* signal.c: ditto

* sprintf.c: ditto

* string.c: ditto

* struct.c: ditto

* thread.c: ditto

* time.c: ditto

* transcode.c: ditto

* variable.c: ditto

* vm_eval.c: ditto

* vm_method.c: ditto

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    - methods returning enumerators
    - array methods and argument naming (array -> ary, an_array -> new_ary)
    - minor improvements, typo fixed and styling issues

  Other documentation errors fixed:
    - return value was self instead of a new array (or vice-versa) for
      Array#{pop,shift,permutation,repeated_permutation,keep_if}
    - Array#rindex was missing the form with a block.

* dir.c: ditto.

* enum.c: ditto. Modified Enumerable#reverse_each' documentation to clarify
  that #each will be finish before any element is yielded.

* error.c: ditto.

* gc.c: ditto.

* hash.c: ditto.

* io.c: ditto. IO#{codepoints,each_codepoint} fixed as per [ruby-core:23948]

* numeric.c: ditto.

* range.c: ditto.

* string.c: ditto.

* struct.c: ditto.

* vm_eval.c: ditto.

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