List of the tickets to introduce multibyte fixes

	A	B	C
1	Subject	Ticket URL	Status

2	[proposal] Add unit test for Japanese language	https://core.trac.wordpress.org/ticket/43829	closed
3	Enable double-width space works as a separator in search query	https://core.trac.wordpress.org/ticket/44296
4	Text length should be localizable	https://core.trac.wordpress.org/ticket/44541
5	The file name should be hashed by md5 if it has multi-byte chars	https://core.trac.wordpress.org/ticket/44547	duplicated
6	move_uploaded_file mangles non-ascii characters on Windows platforms	https://core.trac.wordpress.org/ticket/15955
7	Accents in attachment filenames should be sanitized	https://core.trac.wordpress.org/ticket/22363
8	Email should be encoded with UTF8 and base64	https://core.trac.wordpress.org/ticket/44548
9	Text length of the Incremental search of link in tinymce should be localizable	https://core.trac.wordpress.org/ticket/44662
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