Introduce VariantFamily PGN tag
authorH.G.Muller <hgm@hgm-xboard.(none)>
Mon, 4 Jul 2022 17:03:45 +0000 (19:03 +0200)
committerH.G.Muller <hgm@hgm-xboard.(none)>
Mon, 4 Jul 2022 17:03:45 +0000 (19:03 +0200)
commit063b5a58bcaa9dbdabdc0eaf8ec184d138434593
tree96449c625bfb583b3a3df015430f3927f41f0190
parentecc7ddb734c9dfb5234689ba21c3f432534e99c4
Introduce VariantFamily PGN tag

For engine-defined variants this indicates the parent variant.
When a game with this tag is loaded a variant switch is always forced.
backend.c
pgntags.c