[UNIT] ... Upgrades=yes Upgrade1Research=StealthResearch Upgrade1Unit=SUNIT Upgrade2Research=MindResearch Upgrade2Unit=MUNIT ...
Upgrading a unit should retain its rank.
[UNIT] h=StealthResear ch h=MindResearch
...
Upgrades=yes
Upgrade1Researc
Upgrade1Unit=SUNIT
Upgrade2Researc
Upgrade2Unit=MUNIT
...
Upgrading a unit should retain its rank.