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Frequently Asked Questions
Why did the tool say my YAML is valid but not reformat anything?
Because this component is mainly a validator. On success it echoes your input back instead of rebuilding the document into a new canonical layout.
Why am I getting an error about tabs?
Tabs are rejected here on purpose. The validator explicitly checks for tab characters and asks you to use spaces instead.
Does indentation really have to be 2 spaces?
In this tool, yes. It flags any non-empty YAML line whose indentation is not a multiple of 2 spaces.
Will it catch lines like "name value" with a missing colon?
Usually yes. It does a line-level check that expects either a list item or a key: value style entry and reports the line number when that pattern is missing.
Can I use advanced YAML features like anchors or block scalars?
This validator is intentionally minimal, so advanced YAML features are not a safe bet. It is best for straightforward mappings, lists, comments, and basic scalars.