Install libsignon-plugins-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libsignon-plugins-doc
Description:
Single Sign On framework plugins - documentation
. This package contains the documentation for libsignon-plugins-dev
Homepage: http://code.google.com/p/accounts-sso/
Version: 8.59+17.10.20170606-0ubuntu1
Section: universe/doc