Blind spots in encoding

Note to text editors!
(There is a case that it is stored in shift_JIS or something without permission.

Note that "Select File" is normal, but the title or the button you created is garbled.

Where to be careful with encoding after all.
Text editor
Description in HTML
PHP In php.ini
In Apache my.cnf
In MySQL httpd.conf (both client and server side)

It's too much work.

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