What kind of document do you mean? For Web formats (HTML, etc.), the answer is "no".
Addison Addison Phillips Globalization Architect (Amazon Lab126) Chair (W3C I18N WG) Internationalization is not a feature. It is an architecture. > -----Original Message----- > From: unicode-bou...@unicode.org [mailto:unicode-bou...@unicode.org] On > Behalf Of Costello, Roger L. > Sent: Wednesday, August 28, 2013 12:07 PM > To: unicode@unicode.org > Subject: Can a single text document use multiple character encodings? > > Hi Folks, > > Can a single text document use multiple character encodings? > > For example, can some text be encoded as UTF-8 while other text is encoded as > UTF-16 - within the same document? > > /Roger >