Fix escaping fixes in string literals

[codecov[bot]]

Codecov Report

Patch coverage: 89.47% and project coverage change: +0.35% :tada:

Comparison is base (64eb48e) 72.65% compared to head (2132df8) 73.01%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #43 +/- ## ========================================== + Coverage 72.65% 73.01% +0.35% ========================================== Files 13 13 Lines 801 819 +18 Branches 156 157 +1 ========================================== + Hits 582 598 +16 - Misses 163 164 +1 - Partials 56 57 +1 ``` | [Files Changed](https://app.codecov.io/gh/SanderVocke/qoverage/pull/43?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Sander+Vocke) | Coverage Δ | | |---|---|---| | [qoverage/qmldom.py](https://app.codecov.io/gh/SanderVocke/qoverage/pull/43?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Sander+Vocke#diff-cW92ZXJhZ2UvcW1sZG9tLnB5) | `75.92% <89.47%> (+6.48%)` | :arrow_up: |

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