in the webpage (documentation) is the link to the e-mail clients KDE Kontact and
.. MailClients/Screenshots ;
http://wiki.gnupg.org/MailClients/Screenshots
but..
the 5th entry under 'KDE Kontact' has the phrase 'A valid PGP-MIME signature
with an embedded embedded signature'.
Has the double word 'embedded' twice in the text.
Ambiguity arises, due to nature of english(e) and context.