Powerhsell IDN Translation doesn´t work with letter "ß"

# powerhsell idn translation doesn´t work letter "ß"
# http://msdn.microsoft.com/en-us/library/vstudio/system.globalization.idnmapping

https://www.secure.denic.de/de/domains/internationalized-domain-names/idn-konvertierung.html
fuß.de -> xn--fu-hia.de

the conversion performed according current idna standard (rfcs 5890-5894), support for unicode 5.2 and use of idna compatibility processing in "nontransitional" mode the unicode technical standard # 46

[void][system.reflection.assembly]::loadwithpartialname("system.globalization")  $idn = new-object system.globalization.idnmapping  $idn.getascii("fuß.de") #-> fuss.de wrong  $idn.getunicode("xn--fu-hia.de ")#->schould change fuß.de

works spanish or french letters not ß, bug?

-------------------------------------------------------------------------------------------------------------------------------

found in connect.microsoft.com:

http://www.unicode.org/faq/idn.html

see http://blogs.msdn.com/b/shawnste/archive/2013/09/09/how-does-ie-handle-the-idn2008-rfcs.aspx discussion.

https://connect.microsoft.com/ie/feedback/details/802380/-eszet-in-domain-namen

since cause incompatibilities older browsers seem not change in near future...

Windows Server  >  Windows PowerShell