C# の Markdown 段落

    // Create the MarkdownSyntaxTree
    var md = new MarkdownSyntaxTree(new Configuration());

    // Use the SyntaxFactory property to get the factory for creating the Markdown syntax tree
    var mdf = md.SyntaxFactory;

    // Create an empty paragraph1
    var paragraph1 = mdf.Paragraph();

    // Add texts to the paragraph1
    paragraph1.AppendChild(mdf.Text("The first sentence of the first paragraph."));
    // Add a space after the first sentence in the paragraph through a special WhiteSpace node
    paragraph1.AppendChild(mdf.Whitespace());

    paragraph1.AppendChild(mdf.Text("The second sentence of the first paragraph."));

    // Create and add newLineTrivia element for an empty line after paragraph1 
    var newLineTrivia = mdf.NewLineTrivia();
    paragraph1.GetTrailingTrivia().Add(newLineTrivia);

    // Add the filled paragraph1 into MD document
    md.AppendChild(paragraph1);

    // Create an empty paragraph2
    var paragraph2 = mdf.Paragraph();

    // Add texts to the paragraph2
    paragraph2.AppendChild(mdf.Text("The first sentence of the second paragraph."));
    // Add a space after the first sentence in the paragraph through a special WhiteSpace node
    paragraph2.AppendChild(mdf.Whitespace());

    paragraph2.AppendChild(mdf.Text("The second sentence of the second paragraph."));

    // Add newLineTrivia element for an empty line after paragraph2
    paragraph2.GetTrailingTrivia().Add(newLineTrivia);

    // Add the filled paragraph2 into MD document as a last child
    md.AppendChild(paragraph2);

    // Prepare a path for MD file saving 
    string savePath = Path.Combine(OutputDir, "markdown-paragraph.md");

    // Save MD file
    md.Save(savePath);

    // Specify the path to the source MD file
    var input = "C:/temp/input.md";

    // Create a MarkdownParser object
    var parser = new MarkdownParser();

    // Parse the MD document and get a syntax tree
    var syntaxTree = parser.ParseFile(input);

    // Get a SyntaxFactory to create new elements 
    var syntaxFactory = syntaxTree.SyntaxFactory;

    // Create a new empty paragraph 
    var paragraphSyntaxNode = syntaxFactory.Paragraph();

    // Create and add newLineTrivia element for an empty line after paragraph 
    var newLineTrivia = syntaxFactory.NewLineTrivia();
    paragraphSyntaxNode.GetTrailingTrivia().Add(newLineTrivia);
            
    // Create text content for the paragraph 
    var textSyntaxNode = syntaxFactory.Text("Markdown language is simple to learn. It has minimal extra characters, so you can quickly write and make fewer errors.");

    // Add text into paragraph
    paragraphSyntaxNode.AppendChild(textSyntaxNode);

    // Add paragraph to MD document before the first element of the syntax tree
    syntaxTree.InsertBefore(paragraphSyntaxNode, syntaxTree.FirstChild);

    // Prepare a path for MD file saving 
    string savePath = Path.Combine(OutputDir, "output.md");

    // Save Markdown file
    syntaxTree.Save(savePath);