So this time, I have no idea what could be causing this. Sorry.
Steps to reproduce:
- Launch GZDoom with this example WAD.
- Bind the "Buy menu" key.
- Press the "Buy menu" key.
- Click "Upgrades", then "Informational upgrades".
Removing a few string literals from "S7_ShopDataEventHandler.mainShop_Populate" (or changing them to blank strings) makes those entries display correctly, which means this is very likely a GZDoom bug.
(* "S7_ShopDataEventHandler.mainShop_Populate" @ /S7ZScript/RPG Systems/ShopData/Lucius.ZS)
Edit: Added the link to the example WAD. <_>