Testing Solidity formatting.

components/Starknet/modules/architecture_and_concepts/pages/Accounts/deploying_new_accounts.adoc

@@ -43,4 +43,57 @@ A `DEPLOY_ACCOUNT` transaction automatically tells the sequencer to call the `+_
 [NOTE]
 ====
 When creating a new account without the `DEPLOY_ACCOUNT` transaction, such as by invoking the Universal Deployer Contract (UDC) with an `INVOKE` transaction, the sequencer calls the `+__validate__+` function, which validates the `INVOKE` transaction.
-====
+====
+
+'''
+
+.Solidity Example
+[source,solidity]
+----
+// SPDX-License-Identifier: GPL-3.0
+pragma solidity >=0.5.0 <0.9.0;
+
+library Balances {
+    function move(mapping(address => uint256) storage balances, address from, address to, uint amount) internal {
+        require(balances[from] >= amount);
+        require(balances[to] + amount >= balances[to]);
+        balances[from] -= amount;
+        balances[to] += amount;
+    }
+}
+
+contract Token {
+    mapping(address => uint256) balances;
+    using Balances for *;
+    mapping(address => mapping(address => uint256)) allowed;
+
+    event Transfer(address from, address to, uint amount);
+    event Approval(address owner, address spender, uint amount);
+
+    function transfer(address to, uint amount) external returns (bool success) {
+        balances.move(msg.sender, to, amount);
+        emit Transfer(msg.sender, to, amount);
+        return true;
+
+    }
+
+    function transferFrom(address from, address to, uint amount) external returns (bool success) {
+        require(allowed[from][msg.sender] >= amount);
+        allowed[from][msg.sender] -= amount;
+        balances.move(from, to, amount);
+        emit Transfer(from, to, amount);
+        return true;
+    }
+
+    function approve(address spender, uint tokens) external returns (bool success) {
+        require(allowed[msg.sender][spender] == 0, "");
+        allowed[msg.sender][spender] = tokens;
+        emit Approval(msg.sender, spender, tokens);
+        return true;
+    }
+
+    function balanceOf(address tokenOwner) external view returns (uint balance) {
+        return balances[tokenOwner];
+    }
+}
+----