{
  "kind": "markdown-rendering",
  "date": "2026-11-02T04:03:28.732688+00:00",
  "python": "3.11.14",
  "versions": {
    "markdown-it-commonmark": "4.0.0",
    "markdown-it-breaks": "4.0.0",
    "python-markdown": "3.10.2",
    "pandoc-gfm": "pandoc 3.11"
  },
  "scope": "Local implementations; not GitHub.com or VS Code UI. Tag counts describe structure, not visual fidelity.",
  "command": ".venv/bin/python tools/lab_markdown_render.py --lab <RUN>/lab",
  "results": [
    {
      "sample": "soft-break",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "p": 1
      },
      "source": "lab/renderers/soft-break.md",
      "output": "lab/renderers/soft-break--markdown-it-commonmark.txt"
    },
    {
      "sample": "soft-break",
      "renderer": "markdown-it-breaks",
      "tags": {
        "p": 1,
        "br": 1
      },
      "source": "lab/renderers/soft-break.md",
      "output": "lab/renderers/soft-break--markdown-it-breaks.txt"
    },
    {
      "sample": "soft-break",
      "renderer": "python-markdown",
      "tags": {
        "p": 1
      },
      "source": "lab/renderers/soft-break.md",
      "output": "lab/renderers/soft-break--python-markdown.txt"
    },
    {
      "sample": "soft-break",
      "renderer": "pandoc-gfm",
      "tags": {
        "p": 1
      },
      "source": "lab/renderers/soft-break.md",
      "output": "lab/renderers/soft-break--pandoc-gfm.txt"
    },
    {
      "sample": "two-spaces",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "p": 1,
        "br": 1
      },
      "source": "lab/renderers/two-spaces.md",
      "output": "lab/renderers/two-spaces--markdown-it-commonmark.txt"
    },
    {
      "sample": "two-spaces",
      "renderer": "markdown-it-breaks",
      "tags": {
        "p": 1,
        "br": 1
      },
      "source": "lab/renderers/two-spaces.md",
      "output": "lab/renderers/two-spaces--markdown-it-breaks.txt"
    },
    {
      "sample": "two-spaces",
      "renderer": "python-markdown",
      "tags": {
        "p": 1,
        "br": 1
      },
      "source": "lab/renderers/two-spaces.md",
      "output": "lab/renderers/two-spaces--python-markdown.txt"
    },
    {
      "sample": "two-spaces",
      "renderer": "pandoc-gfm",
      "tags": {
        "p": 1,
        "br": 1
      },
      "source": "lab/renderers/two-spaces.md",
      "output": "lab/renderers/two-spaces--pandoc-gfm.txt"
    },
    {
      "sample": "backslash-break",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "p": 1,
        "br": 1
      },
      "source": "lab/renderers/backslash-break.md",
      "output": "lab/renderers/backslash-break--markdown-it-commonmark.txt"
    },
    {
      "sample": "backslash-break",
      "renderer": "markdown-it-breaks",
      "tags": {
        "p": 1,
        "br": 1
      },
      "source": "lab/renderers/backslash-break.md",
      "output": "lab/renderers/backslash-break--markdown-it-breaks.txt"
    },
    {
      "sample": "backslash-break",
      "renderer": "python-markdown",
      "tags": {
        "p": 1
      },
      "source": "lab/renderers/backslash-break.md",
      "output": "lab/renderers/backslash-break--python-markdown.txt"
    },
    {
      "sample": "backslash-break",
      "renderer": "pandoc-gfm",
      "tags": {
        "p": 1,
        "br": 1
      },
      "source": "lab/renderers/backslash-break.md",
      "output": "lab/renderers/backslash-break--pandoc-gfm.txt"
    },
    {
      "sample": "blank-line",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "p": 2
      },
      "source": "lab/renderers/blank-line.md",
      "output": "lab/renderers/blank-line--markdown-it-commonmark.txt"
    },
    {
      "sample": "blank-line",
      "renderer": "markdown-it-breaks",
      "tags": {
        "p": 2
      },
      "source": "lab/renderers/blank-line.md",
      "output": "lab/renderers/blank-line--markdown-it-breaks.txt"
    },
    {
      "sample": "blank-line",
      "renderer": "python-markdown",
      "tags": {
        "p": 2
      },
      "source": "lab/renderers/blank-line.md",
      "output": "lab/renderers/blank-line--python-markdown.txt"
    },
    {
      "sample": "blank-line",
      "renderer": "pandoc-gfm",
      "tags": {
        "p": 2
      },
      "source": "lab/renderers/blank-line.md",
      "output": "lab/renderers/blank-line--pandoc-gfm.txt"
    },
    {
      "sample": "ordered-list",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "ol": 1,
        "li": 3,
        "p": 3
      },
      "source": "lab/renderers/ordered-list.md",
      "output": "lab/renderers/ordered-list--markdown-it-commonmark.txt"
    },
    {
      "sample": "ordered-list",
      "renderer": "markdown-it-breaks",
      "tags": {
        "ol": 1,
        "li": 3,
        "p": 3
      },
      "source": "lab/renderers/ordered-list.md",
      "output": "lab/renderers/ordered-list--markdown-it-breaks.txt"
    },
    {
      "sample": "ordered-list",
      "renderer": "python-markdown",
      "tags": {
        "ol": 1,
        "li": 3,
        "p": 2
      },
      "source": "lab/renderers/ordered-list.md",
      "output": "lab/renderers/ordered-list--python-markdown.txt"
    },
    {
      "sample": "ordered-list",
      "renderer": "pandoc-gfm",
      "tags": {
        "ol": 1,
        "li": 3,
        "p": 3
      },
      "source": "lab/renderers/ordered-list.md",
      "output": "lab/renderers/ordered-list--pandoc-gfm.txt"
    },
    {
      "sample": "bullet-list",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "ul": 1,
        "li": 2
      },
      "source": "lab/renderers/bullet-list.md",
      "output": "lab/renderers/bullet-list--markdown-it-commonmark.txt"
    },
    {
      "sample": "bullet-list",
      "renderer": "markdown-it-breaks",
      "tags": {
        "ul": 1,
        "li": 2
      },
      "source": "lab/renderers/bullet-list.md",
      "output": "lab/renderers/bullet-list--markdown-it-breaks.txt"
    },
    {
      "sample": "bullet-list",
      "renderer": "python-markdown",
      "tags": {
        "ul": 1,
        "li": 2
      },
      "source": "lab/renderers/bullet-list.md",
      "output": "lab/renderers/bullet-list--python-markdown.txt"
    },
    {
      "sample": "bullet-list",
      "renderer": "pandoc-gfm",
      "tags": {
        "ul": 1,
        "li": 2
      },
      "source": "lab/renderers/bullet-list.md",
      "output": "lab/renderers/bullet-list--pandoc-gfm.txt"
    },
    {
      "sample": "table",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "p": 1
      },
      "source": "lab/renderers/table.md",
      "output": "lab/renderers/table--markdown-it-commonmark.txt"
    },
    {
      "sample": "table",
      "renderer": "markdown-it-breaks",
      "tags": {
        "p": 1,
        "br": 2
      },
      "source": "lab/renderers/table.md",
      "output": "lab/renderers/table--markdown-it-breaks.txt"
    },
    {
      "sample": "table",
      "renderer": "python-markdown",
      "tags": {
        "table": 1,
        "thead": 1,
        "tr": 2,
        "th": 2,
        "tbody": 1,
        "td": 2
      },
      "source": "lab/renderers/table.md",
      "output": "lab/renderers/table--python-markdown.txt"
    },
    {
      "sample": "table",
      "renderer": "pandoc-gfm",
      "tags": {
        "table": 1,
        "thead": 1,
        "tr": 2,
        "th": 2,
        "tbody": 1,
        "td": 2
      },
      "source": "lab/renderers/table.md",
      "output": "lab/renderers/table--pandoc-gfm.txt"
    },
    {
      "sample": "code-block",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "pre": 1,
        "code": 1
      },
      "source": "lab/renderers/code-block.md",
      "output": "lab/renderers/code-block--markdown-it-commonmark.txt"
    },
    {
      "sample": "code-block",
      "renderer": "markdown-it-breaks",
      "tags": {
        "pre": 1,
        "code": 1
      },
      "source": "lab/renderers/code-block.md",
      "output": "lab/renderers/code-block--markdown-it-breaks.txt"
    },
    {
      "sample": "code-block",
      "renderer": "python-markdown",
      "tags": {
        "pre": 1,
        "code": 1
      },
      "source": "lab/renderers/code-block.md",
      "output": "lab/renderers/code-block--python-markdown.txt"
    },
    {
      "sample": "code-block",
      "renderer": "pandoc-gfm",
      "tags": {
        "div": 1,
        "pre": 1,
        "code": 1,
        "span": 3,
        "a": 1
      },
      "source": "lab/renderers/code-block.md",
      "output": "lab/renderers/code-block--pandoc-gfm.txt"
    },
    {
      "sample": "link",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "p": 1,
        "a": 1
      },
      "source": "lab/renderers/link.md",
      "output": "lab/renderers/link--markdown-it-commonmark.txt"
    },
    {
      "sample": "link",
      "renderer": "markdown-it-breaks",
      "tags": {
        "p": 1,
        "a": 1
      },
      "source": "lab/renderers/link.md",
      "output": "lab/renderers/link--markdown-it-breaks.txt"
    },
    {
      "sample": "link",
      "renderer": "python-markdown",
      "tags": {
        "p": 1,
        "a": 1
      },
      "source": "lab/renderers/link.md",
      "output": "lab/renderers/link--python-markdown.txt"
    },
    {
      "sample": "link",
      "renderer": "pandoc-gfm",
      "tags": {
        "p": 1,
        "a": 1
      },
      "source": "lab/renderers/link.md",
      "output": "lab/renderers/link--pandoc-gfm.txt"
    },
    {
      "sample": "checkbox",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "ul": 1,
        "li": 2
      },
      "source": "lab/renderers/checkbox.md",
      "output": "lab/renderers/checkbox--markdown-it-commonmark.txt"
    },
    {
      "sample": "checkbox",
      "renderer": "markdown-it-breaks",
      "tags": {
        "ul": 1,
        "li": 2
      },
      "source": "lab/renderers/checkbox.md",
      "output": "lab/renderers/checkbox--markdown-it-breaks.txt"
    },
    {
      "sample": "checkbox",
      "renderer": "python-markdown",
      "tags": {
        "ul": 1,
        "li": 2
      },
      "source": "lab/renderers/checkbox.md",
      "output": "lab/renderers/checkbox--python-markdown.txt"
    },
    {
      "sample": "checkbox",
      "renderer": "pandoc-gfm",
      "tags": {
        "ul": 1,
        "li": 2,
        "label": 2,
        "input": 2
      },
      "source": "lab/renderers/checkbox.md",
      "output": "lab/renderers/checkbox--pandoc-gfm.txt"
    },
    {
      "sample": "frontmatter",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "hr": 1,
        "h2": 1,
        "h1": 1
      },
      "source": "lab/renderers/frontmatter.md",
      "output": "lab/renderers/frontmatter--markdown-it-commonmark.txt"
    },
    {
      "sample": "frontmatter",
      "renderer": "markdown-it-breaks",
      "tags": {
        "hr": 1,
        "h2": 1,
        "h1": 1
      },
      "source": "lab/renderers/frontmatter.md",
      "output": "lab/renderers/frontmatter--markdown-it-breaks.txt"
    },
    {
      "sample": "frontmatter",
      "renderer": "python-markdown",
      "tags": {
        "hr": 1,
        "h2": 1,
        "h1": 1
      },
      "source": "lab/renderers/frontmatter.md",
      "output": "lab/renderers/frontmatter--python-markdown.txt"
    },
    {
      "sample": "frontmatter",
      "renderer": "pandoc-gfm",
      "tags": {
        "h1": 1
      },
      "source": "lab/renderers/frontmatter.md",
      "output": "lab/renderers/frontmatter--pandoc-gfm.txt"
    },
    {
      "sample": "merge-double-pipe",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "p": 1
      },
      "spans": [],
      "cells": [],
      "empty_cells": 0,
      "source": "lab/renderers/merge-double-pipe.md",
      "output": "lab/renderers/merge-double-pipe--markdown-it-commonmark.txt",
      "source_sha256": "72d70fc2780a04d478de46ef8d5f920058b0c90d1cdb0ab1dfbcfe0346aad6d5",
      "output_sha256": "f88a9e60f87b789905ef85f87534cbabdfbd4bce5b3ebf230285a201324d5ffb"
    },
    {
      "sample": "merge-double-pipe",
      "renderer": "markdown-it-table",
      "tags": {
        "table": 1,
        "thead": 1,
        "tr": 2,
        "th": 3,
        "tbody": 1,
        "td": 3
      },
      "spans": [],
      "cells": [
        {
          "tag": "th",
          "text": "Region",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Morning",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Evening",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "North",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "Shared",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "",
          "attrs": {}
        }
      ],
      "empty_cells": 1,
      "source": "lab/renderers/merge-double-pipe.md",
      "output": "lab/renderers/merge-double-pipe--markdown-it-table.txt",
      "source_sha256": "72d70fc2780a04d478de46ef8d5f920058b0c90d1cdb0ab1dfbcfe0346aad6d5",
      "output_sha256": "7c91f6435e5dc39e6bf4501565c2275b82829c1880a274d3e9f93061c1ce18fb"
    },
    {
      "sample": "merge-double-pipe",
      "renderer": "markdown-it-nohtml",
      "tags": {
        "table": 1,
        "thead": 1,
        "tr": 2,
        "th": 3,
        "tbody": 1,
        "td": 3
      },
      "spans": [],
      "cells": [
        {
          "tag": "th",
          "text": "Region",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Morning",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Evening",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "North",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "Shared",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "",
          "attrs": {}
        }
      ],
      "empty_cells": 1,
      "source": "lab/renderers/merge-double-pipe.md",
      "output": "lab/renderers/merge-double-pipe--markdown-it-nohtml.txt",
      "source_sha256": "72d70fc2780a04d478de46ef8d5f920058b0c90d1cdb0ab1dfbcfe0346aad6d5",
      "output_sha256": "7c91f6435e5dc39e6bf4501565c2275b82829c1880a274d3e9f93061c1ce18fb"
    },
    {
      "sample": "merge-double-pipe",
      "renderer": "python-markdown",
      "tags": {
        "table": 1,
        "thead": 1,
        "tr": 2,
        "th": 3,
        "tbody": 1,
        "td": 3
      },
      "spans": [],
      "cells": [
        {
          "tag": "th",
          "text": "Region",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Morning",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Evening",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "North",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "Shared",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "",
          "attrs": {}
        }
      ],
      "empty_cells": 1,
      "source": "lab/renderers/merge-double-pipe.md",
      "output": "lab/renderers/merge-double-pipe--python-markdown.txt",
      "source_sha256": "72d70fc2780a04d478de46ef8d5f920058b0c90d1cdb0ab1dfbcfe0346aad6d5",
      "output_sha256": "0c6ab03c1a43dfc64417d10e7ec186bb52fc8060d4fafaa957490ddb6eb6704b"
    },
    {
      "sample": "merge-double-pipe",
      "renderer": "pandoc-gfm",
      "tags": {
        "table": 1,
        "thead": 1,
        "tr": 2,
        "th": 3,
        "tbody": 1,
        "td": 3
      },
      "spans": [],
      "cells": [
        {
          "tag": "th",
          "text": "Region",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Morning",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Evening",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "North",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "Shared",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "",
          "attrs": {}
        }
      ],
      "empty_cells": 1,
      "source": "lab/renderers/merge-double-pipe.md",
      "output": "lab/renderers/merge-double-pipe--pandoc-gfm.txt",
      "source_sha256": "72d70fc2780a04d478de46ef8d5f920058b0c90d1cdb0ab1dfbcfe0346aad6d5",
      "output_sha256": "7c91f6435e5dc39e6bf4501565c2275b82829c1880a274d3e9f93061c1ce18fb"
    },
    {
      "sample": "merge-short-row",
      "renderer": "markdown-it-commonmark",
      "tags": {
        "p": 1
      },
      "spans": [],
      "cells": [],
      "empty_cells": 0,
      "source": "lab/renderers/merge-short-row.md",
      "output": "lab/renderers/merge-short-row--markdown-it-commonmark.txt",
      "source_sha256": "9b1d039772aa7e9b5765e6cf9227f989c1b464bf41a800f998961988438a81b0",
      "output_sha256": "9018676111734b684e346eef8768ef9fe94587e52059aae6c80a68d4df180db8"
    },
    {
      "sample": "merge-short-row",
      "renderer": "markdown-it-table",
      "tags": {
        "table": 1,
        "thead": 1,
        "tr": 2,
        "th": 3,
        "tbody": 1,
        "td": 3
      },
      "spans": [],
      "cells": [
        {
          "tag": "th",
          "text": "Region",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Morning",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Evening",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "North",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "Shared",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "",
          "attrs": {}
        }
      ],
      "empty_cells": 1,
      "source": "lab/renderers/merge-short-row.md",
      "output": "lab/renderers/merge-short-row--markdown-it-table.txt",
      "source_sha256": "9b1d039772aa7e9b5765e6cf9227f989c1b464bf41a800f998961988438a81b0",
      "output_sha256": "7c91f6435e5dc39e6bf4501565c2275b82829c1880a274d3e9f93061c1ce18fb"
    },
    {
      "sample": "merge-short-row",
      "renderer": "markdown-it-nohtml",
      "tags": {
        "table": 1,
        "thead": 1,
        "tr": 2,
        "th": 3,
        "tbody": 1,
        "td": 3
      },
      "spans": [],
      "cells": [
        {
          "tag": "th",
          "text": "Region",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Morning",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Evening",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "North",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "Shared",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "",
          "attrs": {}
        }
      ],
      "empty_cells": 1,
      "source": "lab/renderers/merge-short-row.md",
      "output": "lab/renderers/merge-short-row--markdown-it-nohtml.txt",
      "source_sha256": "9b1d039772aa7e9b5765e6cf9227f989c1b464bf41a800f998961988438a81b0",
      "output_sha256": "7c91f6435e5dc39e6bf4501565c2275b82829c1880a274d3e9f93061c1ce18fb"
    },
    {
      "sample": "merge-short-row",
      "renderer": "python-markdown",
      "tags": {
        "table": 1,
        "thead": 1,
        "tr": 2,
        "th": 3,
        "tbody": 1,
        "td": 3
      },
      "spans": [],
      "cells": [
        {
          "tag": "th",
          "text": "Region",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Morning",
          "attrs": {}
        },
        {
          "tag": "th",
          "text": "Evening",
          "attrs": {}
        },
        {
          "tag": "td",
          "text": "North",
          "attrs": {}
        },
        {
          "tag": "td",
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