From: Ferruccio Guidi Date: Sun, 28 Feb 2021 19:54:43 +0000 (+0100) Subject: update in ground X-Git-Tag: make_still_working~154 X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=ca318d6d92098c3a65c9f0841174ca110c82e064;hp=ca318d6d92098c3a65c9f0841174ca110c82e064;p=helm.git update in ground + xoa restyled + missing files committed ---