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docs: concise explanation for check-yaml allow duplicate key feature.

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Frerk Saxen 2023-07-18 12:59:49 +02:00
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@ -87,9 +87,8 @@ Attempts to load all yaml files to verify syntax.
portability to other yaml implementations.
Implies `--allow-multiple-documents`.
- `--allow_duplicate_keys` - Use this parameter to allow duplicate keys in yaml files.
In JSON mapping keys should be unique, in YAML they must be unique.
PyYAML never enforced this although the YAML 1.1 specification already required this.
Duplicate keys in mappings are no longer allowed by default.
Duplicate keys in yaml files are not allowed by default.
However, e.g. gitlab-ci.yml files may require this.
#### `debug-statements`
Check for debugger imports and py37+ `breakpoint()` calls in python source.