add some documents [ci skip]

* bignum.c (Init_Bignum): [DOC] Bignum::GMP_VERSION.

* complex.c (Init_Complex): [DOC] ignore an internal class.

* dir.c (Init_Dir): [DOC] File::FNM_SYSCASE.

* file.c (rb_file_exists_p): [DOC] File.exists? is deprecated.

* object.c (rb_mod_initialize_clone): [DOC] ignore implementation
  detail.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46990 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 1 deletions

diff --git a/file.c b/file.c
index 4fc5f771cf..34b2693430 100644
--- a/file.c
+++ b/file.c
@@ -1429,7 +1429,6 @@ rb_file_chardev_p(VALUE obj, VALUE fname)
 /*
  * call-seq:
  *    File.exist?(file_name)    ->  true or false
- *    File.exists?(file_name)   ->  true or false
  *
  * Return <code>true</code> if the named file exists.
  *
@@ -1447,6 +1446,12 @@ rb_file_exist_p(VALUE obj, VALUE fname)
     return Qtrue;
 }
 
+/*
+ * call-seq:
+ *    File.exists?(file_name)   ->  true or false
+ *
+ * Deprecated method. Don't use.
+ */
 static VALUE
 rb_file_exists_p(VALUE obj, VALUE fname)
 {