Non-Source mode property edits detrimentally convert flow- to block-style (multi-level YAML, list of lists, sequence of sequences, ..)

[ariehen]

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API: processFrontMatter removes string quotes, comments, types, formatting

Calling processFrontMatter will destroy all previous formatting, and most YAML features/syntax. As you will see from the expected vs actual output, the behavior is quite odd. Steps to reproduce Modify the sample’s ‘sample-editor-command’ code in the onload method here to the content below this.addCommand({ id: 'sample-editor-command', name: 'Sample editor command', editorCallback: (editor: Editor, view: MarkdownView) => { console.log(editor.getSelection()); editor.replaceSelection('Sam…