3 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index d558f7606..0b7971798 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Nov  6 00:42:05 2006  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* parse.y (arg_dup_check): vid may be nameless internal id.
+
 Sun Nov  5 19:52:19 2006  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* lib/date.rb: updated based on date2 3.9.7.
diff --git a/parse.y b/parse.y
index 5b963aaef..7e26b36f0 100644
--- a/parse.y
+++ b/parse.y
@@ -7886,6 +7886,7 @@ arg_dup_check(ID vid, VALUE m, VALUE list, NODE *node)
     VALUE sym;
 
     if (!vid) return 0;
+    if (is_junk_id(vid)) return 0;
     sym = ID2SYM(vid);
     if ((m && rb_ary_includes(m, sym)) || rb_ary_includes(list, sym)) {
 	ruby_sourceline = nd_line(node);
diff --git a/string.c b/string.c
index 18405af96..56b03baa7 100644
--- a/string.c
+++ b/string.c
@@ -3592,7 +3592,7 @@ rb_str_split(VALUE str, const char *sep0)
  *     str.lines(separator=$/) {|substr| block }        => str
  *  
  *  Returns an enumerator that gives each line in the string.  If a block is
- *  given, it iterates over eac line in the string.
+ *  given, it iterates over each line in the string.
  *     
  *     "foo\nbar\n".lines.to_a   #=> ["foo\n", "bar\n"]
  *     "foo\nb ar".lines.sort    #=> ["b ar", "foo\n"]