bug#35766: emacs saves utf-16 le xml files as utf-16 be

[Noam Postavsky]

J S <jszabo_98@hotmail.com> writes:

> It would change color in emacs if encoding="UTF16-LE" were invalid.
> It's hard to find the docs for it.  UTF-16LE is listed here:
> http://help.eclipse.org/kepler/index.jsp?topic=%2Forg.eclipse.wst.xmleditor.doc.user%2Ftopics%2Fcxmlenc.html

A more official reference:

https://www.w3.org/TR/xml/#NT-EncName

    It is RECOMMENDED that character encodings registered (as charsets)
    with the Internet Assigned Numbers Authority [IANA-CHARSETS], other
    than those just listed, be referred to using their registered names;

[IANA-CHARSETS]: 
http://www.iana.org/assignments/character-sets/character-sets.xhtml

    UTF-16LE    1014    [RFC2781]   [RFC2781]   csUTF16LE