Code-Style.md

@@ -52,3 +52,9 @@ exit 0
 ```
 
 Similarly, you can create a script at `.git/hooks/pre-commit` to check the coding conventions on every commit.
+
+## Files not ending with line breaks
+
+The linter requires every file to end with a line break. IntelliJ doesn't add those by default, so to force it to do that, enable the following setting:
+
+`Settings` → `Editor` → `General` → `On Save` → `Ensure every saved file ends with a line break`
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