newparser: post-merge fixes

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 98.49624% with 4 lines in your changes missing coverage. Please review.

Project coverage is 97.40%. Comparing base (6e396b2) to head (76ece7d). Report is 68 commits behind head on master.

Files	Patch %	Lines
src/c4/yml/emit.def.hpp	82.60%	4 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #431 +/- ## ========================================== + Coverage 97.26% 97.40% +0.14% ========================================== Files 33 33 Lines 10924 11102 +178 ========================================== + Hits 10625 10814 +189 + Misses 299 288 -11 ```

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