Constant DEFAULT_YAML 

pub const DEFAULT_YAML: &str = "# HwpForge Default Template\n#\n# A sensible base template for Korean documents using A4 paper.\n# All other built-in templates extend this one.\n\nmeta:\n  name: default\n  version: 1.0.0\n  description: Default template with A4 paper and Korean fonts\n\npage:\n  width: 210mm\n  height: 297mm\n  margin_top: 20mm\n  margin_bottom: 20mm\n  margin_left: 20mm\n  margin_right: 20mm\n  header_margin: 15mm\n  footer_margin: 15mm\n\nstyles:\n  body:\n    char_shape:\n      font: \u{d55c}\u{cef4}\u{bc14}\u{d0d5}\n      size: 10pt\n      color: \'#000000\'\n    para_shape:\n      alignment: Justify\n      line_spacing:\n        spacing_type: Percentage\n        value: \'160%\'\n\n  heading1:\n    char_shape:\n      font: \u{d55c}\u{cef4}\u{bc14}\u{d0d5}\n      size: 16pt\n      bold: true\n      color: \'#000000\'\n    para_shape:\n      alignment: Left\n      line_spacing:\n        spacing_type: Percentage\n        value: \'160%\'\n      spacing:\n        before: 12pt\n        after: 6pt\n\n  heading2:\n    char_shape:\n      font: \u{d55c}\u{cef4}\u{bc14}\u{d0d5}\n      size: 14pt\n      bold: true\n      color: \'#000000\'\n    para_shape:\n      alignment: Left\n      line_spacing:\n        spacing_type: Percentage\n        value: \'160%\'\n      spacing:\n        before: 10pt\n        after: 4pt\n\n  heading3:\n    char_shape:\n      font: \u{d55c}\u{cef4}\u{bc14}\u{d0d5}\n      size: 12pt\n      bold: true\n      color: \'#000000\'\n    para_shape:\n      alignment: Left\n      line_spacing:\n        spacing_type: Percentage\n        value: \'160%\'\n      spacing:\n        before: 8pt\n        after: 4pt\n\n  code:\n    char_shape:\n      font: D2Coding\n      size: 9pt\n      color: \'#333333\'\n    para_shape:\n      alignment: Left\n      line_spacing:\n        spacing_type: Percentage\n        value: \'140%\'\n\n  blockquote:\n    char_shape:\n      font: \u{d55c}\u{cef4}\u{bc14}\u{d0d5}\n      size: 10pt\n      italic: true\n      color: \'#555555\'\n    para_shape:\n      alignment: Left\n      line_spacing:\n        spacing_type: Percentage\n        value: \'160%\'\n      indent:\n        left: 20pt\n\n  list_item:\n    char_shape:\n      font: \u{d55c}\u{cef4}\u{bc14}\u{d0d5}\n      size: 10pt\n      color: \'#000000\'\n    para_shape:\n      alignment: Left\n      line_spacing:\n        spacing_type: Percentage\n        value: \'160%\'\n      indent:\n        left: 20pt\n        first_line: -10pt\n\nmarkdown_mapping:\n  body: body\n  heading1: heading1\n  heading2: heading2\n  heading3: heading3\n  code: code\n  blockquote: blockquote\n  list_item: list_item\n";

Raw YAML source for the default template.