Sébastien Helleu 8a3ffda0a2 doc: set minimum Ruby version to 1.9.1 in user's guide (closes #1404)
This is now required after the changes introduced by commit
156d855787475deab27833219a188a4accf42558 in version 2.6.
2019-09-18 21:18:40 +02:00
..