--- Please enter the report below this line. ---

Decryption fails if the group mechanism is used by the sender when encrypting
when \ a users ~/.gnupg/gpg.conf file with the hidden-encrypt-to option.

	group mygroup@acme.org=0x3333333333333333 0x4444444444444444
	hidden-encrypt-to mygroup@acme.org

This worked for the 2.0.x and version 2.1.9 and below.


Debian Release: stretch/sid
  800 unstable        ftp.us.debian.org
  500 testing         ftp.us.debian.org
  500 stable          dl.google.com
  100 experimental    ftp.us.debian.org
--- Package information. ---
Depends                (Version) | Installed
================================-+-=============
gnupg-agent         (= 2.0.26-1) | 2.1.10-1
libassuan0            (>= 2.0.1) | 2.4.2-1
libbz2-1.0                       | 1.0.6-8
libc6                  (>= 2.15) |
libcurl3-gnutls      (>= 7.16.2) |
libgcrypt20           (>= 1.6.1) |
libgpg-error0          (>= 1.10) |
libksba8              (>= 1.2.0) |
libreadline6            (>= 6.0) |
zlib1g              (>= 1:1.1.4) |
dpkg                (>= 1.15.4)  |
 OR install-info                 |


Recommends         (Version) | Installed
============================-+-===========
libldap-2.4-2     (>= 2.4.7) | 2.4.42+dfsg-2


Suggests        (Version) | Installed
=========================-+-===========
gnupg-doc                 |
parcimonie                |
xloadimage                |