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digitalmars.D - signature error when installing DMD on linux

I am trying to get the latest version of DMD installed on my 
computer, which is running the latest version of Linux Mint.  I 
used the install script shown on the DMD download page, which is

"curl -fsS https://dlang.org/install.sh | bash -s dmd"

but when this runs, it errors out with the following message:

Downloading and unpacking 
http://downloads.dlang.org/releases/2.x/2.072.0/dmd.2.072.0.linux.tar.xz
######################################################################## 100.0%
Downloading https://dlang.org/d-keyring.gpg
######################################################################## 100.0%
Invalid signature 
http://downloads.dlang.org/releases/2.x/2.072.0/dmd.2.072.0.linux.tar.xz.sig


Is the signature file on the server out of date?
Nov 05 2016