pinentry-qt: does not show only one button with MESSAGE

[Thorsten Glaser]

tglase@tglase:~ $ dpkg -S /usr/bin/pinentry-{qt,gtk-2,curses}
pinentry-qt: /usr/bin/pinentry-qt
pinentry-gtk2: /usr/bin/pinentry-gtk-2
pinentry-curses: /usr/bin/pinentry-curses
tglase@tglase:~ $ dpkg -l pinentry-qt pinentry-gtk2 pinentry-curses
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name Version Description
+++-=====================-=====================-==========================================================
ii pinentry-curses 0.7.4-2ubuntu2 curses-based PIN or pass-phrase entry dialog for GnuPG
ii pinentry-gtk2 0.7.4-2ubuntu2 GTK+-2-based PIN or pass-phrase entry dialog for GnuPG
ii pinentry-qt 0.7.4-2ubuntu2 Qt-based PIN or pass-phrase entry dialog for GnuPG

When I do the following, not only is the encoding wrong – cf. LP#396981 – but also, two buttons are shown. See attached screenshots for details (GTK+2 and ncurses for reference).

tglase@tglase:~ $ print 'SETDESC möp\nMESSAGE' | /usr/bin/pinentry-qt