3 commits

Author	SHA1	Message	Date
Achilleas Pipinellis	8dbcd11075	Compress all PNG images under doc/ ... The pngquant tool was used https://pngquant.org, and particularly, the following command: /usr/bin/pngquant -f --skip-if-larger --ext .png --speed 1 image.png Before: 47584K After : 34924K	2018-08-27 15:52:03 +02:00
James Ramsay	73582d9fe7	Fix subgroup creation docs	2018-01-31 14:38:57 -05:00
Achilleas Pipinellis	bb99fc2572	Add nested groups documentation ... [ci skip]	2017-03-14 21:20:56 +01:00