th integers and decimals work fine</li><li><strong>Empty lines</strong>: Empty lines still count in the line numbering</li><li><strong>Non-numeric lines</strong>: Lines without numbers are treated as 0</li></ol><h3>Example with Mixed Content</h3><pre>
Project Budget Analysis
Total: 5000
Spent on marketing: 1500
Remaining for development: unknown

```button
name Calculate Development Budget
type calculate
action $2-$3
```
^button-dev-budget
</pre><h2>Styling Calculate Buttons</h2><p>You can style Calculate B