Saving Managed Metadata Terms changes & and ” Characters!
Rather bizarrely, when you create a term with an “&” or double quote in the label SharePoint changes these characters. In the case of the “&” it’s changed to a “full width ampersand” (Unicode: U+FF06, see http://www.fileformat.info/info/unicode/char/ff06/index.htm).
This problem is very well analysed and described here by Nick Hobbs:
Now, if I was cynical I might think that it’s done to avoid encoding issues in XML🙂