As far as I can see String#partition doesn't take a block (unlike
Enumerable#partition, where the docs were cut&pasted from, I guess), and
requires one argument:

    rb_define_method(rb_cString, "partition", rb_str_partition, 1);

Also, a typo in Hash#identical.


Index: hash.c
===================================================================
RCS file: /src/ruby/hash.c,v
retrieving revision 1.172
diff -p -u -r1.172 hash.c
--- hash.c	25 Sep 2006 05:57:37 -0000	1.172
+++ hash.c	12 Oct 2006 10:50:52 -0000
@@ -1555,7 +1555,7 @@ static struct st_hash_type identhash = {
  *  will consider exact same objects as same keys.
  *     
  *     h1 = { "a" => 100, "b" => 200, :c => "c" }
- *     h1["a"]        #=> "a"
+ *     h1["a"]        #=> 100
  *     h1.identical
  *     h1.identical?  #=> true
  *     h1["a"]        #=> nil  # different objects.
Index: string.c
===================================================================
RCS file: /src/ruby/string.c,v
retrieving revision 1.284
diff -p -u -r1.284 string.c
--- string.c	7 Oct 2006 15:55:17 -0000	1.284
+++ string.c	12 Oct 2006 10:50:53 -0000
@@ -4414,13 +4414,10 @@ rb_str_center(int argc, VALUE *argv, VAL
 
 /*
  *  call-seq:
- *     str.partition {| obj | block }  => [true_array, false_array]
  *     str.partition(sep)              => [head, sep, tail]
  *  
- *  If a block is given, returns two arrays of true elements and false
- *  elements classified by the block evaluation.  Otherwise, searches
- *  <i>sep</i> in the string and returns the part before it, the
- *  <i>sep</i>, and the part after it.  If <i>sep</i> is not found,
+ *  Searches the string for <i>sep</i> and returns the part before
+ *  it, the <i>sep</i>, and the part after it.  If <i>sep</i> is not found,
  *  returns <i>str</i> and two empty strings.
  *     
  *     "hello".partition("l")         #=> ["he", "l", "lo"]


-- 
Mauricio Fernandez  -   http://eigenclass.org   -  singular Ruby