kohana/core — comment on commit 9ef1896fa04e1f94d2bea9def35cf5584fb8d6c6
File: classes/Kohana/Core.php line 331
By Yahasana:

Please think about twice. it doesn't break any thing but promises Kohana::$log is instance of Kohana_Log.

if someone drop a `log.php` in `application/classes`, which will break the Kohana system.
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