doc: document potential bug

Author: heueristik

src/XanV1.sol

@@ -8,7 +8,6 @@ import {ERC20BurnableUpgradeable} from
     "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC20BurnableUpgradeable.sol";
 import {ERC20PermitUpgradeable} from
     "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC20PermitUpgradeable.sol";
-import {EIP712Upgradeable} from "@openzeppelin/contracts-upgradeable/utils/cryptography/EIP712Upgradeable.sol";
 import {ERC1967Utils} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol";
 
 import {Time} from "@openzeppelin/contracts/utils/types/Time.sol";
@@ -253,11 +252,13 @@ contract XanV1 is
     function __XanV1_init(address initialMintRecipient) internal onlyInitializing {
         // Initialize inherited contracts
         __Context_init_unchained();
-
         __ERC20_init_unchained({name_: Parameters.NAME, symbol_: Parameters.SYMBOL});
-        __ERC20Permit_init(Parameters.NAME); // TODO! Revisit OZ
-        //__ERC20Permit_init_unchained(tokenName);
-        //__EIP712_init_unchained({name: tokenName, version: "1"});
+        __ERC20Permit_init(Parameters.NAME); // TODO! https://github.com/OpenZeppelin/openzeppelin-upgrades/issues/1175
+        /* // TODO Use below instead
+        __ERC20Permit_init_unchained(Parameters.NAME);
+        __EIP712_init_unchained({name: Parameters.NAME, version: "1"});
+        __Nonces_init_unchained();
+        */
         __ERC20Burnable_init_unchained();
         __UUPSUpgradeable_init_unchained();