xml output decoding

[Thomas]

hi,

at first i used XML::XERCES (with perl) for parsing xfdf (pdf-output)
and writing my own xml file (so it should be at standard format).
now i like to fill my pdf form from the xml file but i get unsolvable
encode/decode problems with special chars (eg. german ä,ö,ü,ß)
in my xml file there are encoded strings like 'Ma\x{07AE}ahme' and i
dont know how to revert that process to get some char like 'ß' for
such a code. i tried module Encode from/to utf8/iso-8859-1 but i never
got a new code i can work with.
somebody knows where i made a mistake ?

best regards
Thomas