fix: Correctly handle void elements

[paveldedik]

• Ref: #54

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.94%. Comparing base (9ffa2c8) to head (97fa4eb).

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #55 +/- ## ========================================== + Coverage 94.92% 94.94% +0.01% ========================================== Files 42 42 Lines 2583 2593 +10 ========================================== + Hits 2452 2462 +10 Misses 131 131 ```

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