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-rw-r--r--user_guide_src/source/changelog.rst1
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diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index ca31669e8..bda4cbab4 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -505,6 +505,7 @@ Release Date: Not Released
- ``UTF8_ENABLED`` now requires only one of `Multibyte String <http://php.net/mbstring>`_ or `iconv <http://php.net/iconv>`_ to be available instead of both.
- Changed method ``clean_string()`` to utilize ``mb_convert_encoding()`` if it is available but ``iconv()`` is not.
+ - Renamed method ``_is_ascii()`` to ``is_ascii()`` and made it public.
- Added `compatibility layers <general/compatibility_functions>` for PHP's `mbstring <http://php.net/mbstring>`_ (limited support) and `password <http://php.net/password>`_ extensions.
- Removed ``CI_CORE`` boolean constant from *CodeIgniter.php* (no longer Reactor and Core versions).