print_tree.md
In parsermd: Formal Parser and Related Tools for R Markdown Documents

tree printing

+-- YAML [4 fields]
+-- Heading [h1] - Setup
|   \-- Chunk [r, 1 line] - setup
\-- Heading [h1] - Content
    +-- Heading [h2] - R Markdown
    |   +-- Markdown [5 lines]
    |   +-- Chunk [r, 1 line] - cars
    |   \-- Chunk [r, 1 line] - unnamed-chunk-1
    \-- Heading [h2] - Including Plots
        +-- Markdown [1 line]
        +-- Chunk [r, 1 line] - pressure
        \-- Markdown [2 lines]

+-- YAML [2 fields]
+-- Heading [h3] - Load packages
|   \-- Chunk [r, 2 lines] - load-packages
+-- Heading [h3] - Exercise 1
|   +-- Markdown [1 line]
|   \-- Heading [h4] - Solution
|       \-- Markdown [4 lines]
+-- Heading [h3] - Exercise 2
|   +-- Markdown [1 line]
|   \-- Heading [h4] - Solution
|       +-- Markdown [1 line]
|       +-- Chunk [r, 5 lines] - plot-dino
|       +-- Markdown [1 line]
|       \-- Chunk [r, 2 lines] - cor-dino
\-- Heading [h3] - Exercise 3
    +-- Markdown [1 line]
    \-- Heading [h4] - Solution
        +-- Chunk [r, 5 lines] - plot-star
        \-- Chunk [r, 2 lines] - cor-star

+-- YAML [2 fields]
+-- Heading [h3] - Load packages
|   \-- Chunk [r, 2 lines] - load-packages
+-- Heading [h3] - Exercise 1
|   +-- Markdown [1 line]
|   \-- Heading [h4] - Solution
|       \-- Markdown [1 line]
+-- Heading [h3] - Exercise 2
|   +-- Markdown [1 line]
|   \-- Heading [h4] - Solution
|       +-- Markdown [3 lines]
|       +-- Chunk [r, 5 lines] - plot-dino
|       +-- Markdown [1 line]
|       \-- Chunk [r, 2 lines] - cor-dino
\-- Heading [h3] - Exercise 3
    +-- Markdown [1 line]
    \-- Heading [h4] - Solution
        +-- Markdown [3 lines]
        +-- Chunk [r, 1 line] - plot-star
        +-- Markdown [1 line]
        \-- Chunk [r, 1 line] - cor-star

+-- YAML [2 fields]
+-- Heading [h3] - H3
+-- Heading [h2] - H2
|   \-- Heading [h3] - H3 - Part 2
\-- Heading [h1] - H1

+-- YAML [1 field]
+-- Heading [h2] - R Markdown
|   +-- Markdown [3 lines]
|   \-- Chunk [r, 1 line] - cars
\-- Heading [h2] - Pandoc Raw Attribute Chunk
    +-- Markdown [1 line]
    \-- Raw Attr Chunk [html, 5 lines]

tree printing with fenced divs

+-- YAML [2 fields]
+-- Heading [h3] - Load packages
|   \-- Chunk [r, 2 lines] - load-packages
+-- Fenced div (open) [#note-callout, .callout-warning]
|   \-- Heading [h3] - Exercise 1
|       +-- Markdown [1 line]
|       \-- Heading [h4] - Solution
|           \-- Markdown [1 line]
+-- Fenced div (close) 
+-- Heading [h3] - Exercise 2
|   +-- Markdown [1 line]
|   \-- Heading [h4] - Solution
|       +-- Markdown [3 lines]
|       +-- Chunk [r, 5 lines] - plot-dino
|       +-- Markdown [1 line]
|       \-- Chunk [r, 2 lines] - cor-dino
\-- Heading [h3] - Exercise 3
    +-- Markdown [1 line]
    \-- Heading [h4] - Solution
        +-- Markdown [3 lines]
        +-- Chunk [r, 1 line] - plot-star
        +-- Markdown [1 line]
        \-- Chunk [r, 1 line] - cor-star

+-- YAML [2 fields]
+-- Fenced div (open) [#note-callout, .callout-warning]
|   \-- Heading [h3] - Exercise 1
|       +-- Markdown [1 line]
|       \-- Heading [h4] - Solution
|           \-- Markdown [1 line]
\-- Fenced div (close)

+-- YAML [2 fields]
+-- Heading [h3] - Load packages
|   \-- Chunk [r, 2 lines] - load-packages
+-- Heading [h3] - Exercise 1
|   +-- Markdown [1 line]
|   +-- Fenced div (open) [#note-callout, .callout-warning]
|   |   \-- Heading [h4] - Solution
|   |       \-- Markdown [1 line]
|   \-- Fenced div (close) 
+-- Heading [h3] - Exercise 2
|   +-- Markdown [1 line]
|   \-- Heading [h4] - Solution
|       +-- Markdown [3 lines]
|       +-- Chunk [r, 5 lines] - plot-dino
|       +-- Markdown [1 line]
|       \-- Chunk [r, 2 lines] - cor-dino
\-- Heading [h3] - Exercise 3
    +-- Markdown [1 line]
    \-- Heading [h4] - Solution
        +-- Markdown [3 lines]
        +-- Chunk [r, 1 line] - plot-star
        +-- Markdown [1 line]
        \-- Chunk [r, 1 line] - cor-star

+-- YAML [2 fields]
\-- Heading [h3] - Exercise 1
    +-- Fenced div (open) [#note-callout, .callout-warning]
    |   \-- Heading [h4] - Solution
    |       \-- Markdown [1 line]
    \-- Fenced div (close)