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Writing Guide

Reference for creating content on levineuwirth.org. Covers file placement, all frontmatter fields, and every authoring feature available in the Markdown source.

File placement

Type	Location	Output URL
Essay	`content/essays/my-essay.md`	`/essays/my-essay.html`
Blog post	`content/blog/my-post.md`	`/blog/my-post.html`
Poetry	`content/poetry/my-poem.md`	`/poetry/my-poem.html`
Fiction	`content/fiction/my-story.md`	`/fiction/my-story.html`
Composition	`content/music/{slug}/index.md`	`/music/{slug}/`
Standalone page	`content/my-page.md`	`/my-page.html`
Standalone page (with co-located assets)	`content/my-page/index.md`	`/my-page.html`

File names become URL slugs. Use lowercase, hyphen-separated words.

If a standalone page embeds co-located SVG score fragments or other relative assets, place it in its own directory (content/my-page/index.md) rather than as a flat file. Score fragment paths are resolved relative to the source file's directory; a flat content/my-page.md would resolve them from content/, which is wrong.

Frontmatter

Every file begins with a YAML block fenced by ---. Keys are read by Hakyll and passed to templates; unknown keys are silently ignored and can be used as custom template variables.

Essays

---
title: "The Title of the Essay"
date: 2026-03-15          # required; used for ordering, feed, and display
abstract: >               # optional; shown in the metadata block and link previews
  A one-paragraph description of the piece.
tags:                     # optional; see Tags section
  - nonfiction
  - nonfiction/philosophy
authors:                  # optional; overrides the default "Levi Neuwirth" link
  - "Levi Neuwirth | /me.html"
  - "Collaborator | https://their.site"
  - "Plain Name"          # URL optional; omit for plain-text credit
further-reading:          # optional; see Citations section
  - someKey
  - anotherKey
bibliography: data/custom.bib   # optional; overrides data/bibliography.bib
csl: data/custom.csl            # optional; overrides Chicago Author-Date
no-collapse: true               # optional; disables collapsible h2/h3 sections
js: scripts/my-widget.js        # optional; per-page JS file (see Page scripts)
# js: [scripts/a.js, scripts/b.js]  # or a list

# Epistemic Effort — all optional; the entire section is hidden unless `status` is set
status: "Working model"   # Draft | Working model | Durable | Refined | Superseded | Deprecated
confidence: 72            # 0–100 integer (%)
importance: 3             # 1–5 integer (rendered as filled/empty dots ●●●○○)
evidence: 2               # 1–5 integer (same)
scope: average            # personal | local | average | broad | civilizational
novelty: moderate         # conventional | moderate | idiosyncratic | innovative
practicality: moderate    # abstract | low | moderate | high | exceptional
confidence-history:       # list of integers; trend arrow derived from last two entries
  - 55
  - 63
  - 72

# Version history — optional; falls back to git log, then to date frontmatter
history:
  - date: "2026-03-01"    # ISO date as a quoted string (prevent YAML date parsing)
    note: Initial draft
  - date: "2026-03-14"
    note: Expanded typography section; added citations
---

Blog posts

Same fields as essays. date formats the <time> element in the post header and blog index. Posts appear in /feed.xml.

Poetry

Same fields as essays. Poetry uses a narrow-measure codex reading mode (reading.html): 52ch measure, 1.85 line-height, stanza spacing, no drop cap. poetryCompiler enables Ext_hard_line_breaks — each source newline becomes a <br>, so verse lines render without trailing-space tricks.

External / non-original poems — use poet: instead of authors: to credit an external author without generating a (broken) author index page:

---
title: Sonnet 60
date: 1609-05-20
poet: William Shakespeare
tags: [poetry]
---

poet: is a plain string. The metadata block shows "by William Shakespeare" as plain text. Do not use authors: for poems you did not write; that would create an /authors/william-shakespeare/ index page linking to the poem.

Fiction

Same fields as essays. Fiction uses the same codex reading mode as poetry: 62ch measure, chapter drop caps + smallcaps lead-in on h2 + p.

Standalone pages

Only title is required. Pages use pageCtx: no TOC, no bibliography, no reading-time, no epistemic footer.

---
title: About
---

Add js: for any page-specific interactivity (see Page scripts).

Music compositions

Compositions live in their own directory. See the Music section for full details.

---
title: "Symphony No. 1"
date: 2026-01-15
abstract: >
  A four-movement work for large orchestra.  
tags: [music]
instrumentation: "orchestra (2222/4231/timp+2perc/str)"
duration: "ca. 32'"
premiere: "2026-05-20"
commissioned-by: "—"              # optional
recording: audio/full-recording.mp3  # optional; full-piece audio player
pdf: scores/symphony.pdf          # optional; download link
category: orchestral              # orchestral | chamber | solo | vocal | choral | electronic
featured: true                    # optional; appears in Featured section of /music/
score-pages:                      # required for score reader; omit if no score
  - scores/page-01.svg
  - scores/page-02.svg
movements:                        # optional
  - name: "I. Allegro"
    page: 1                       # 1-indexed starting page in the reader
    duration: "10'"
    audio: audio/movement-1.mp3   # optional; per-movement player
  - name: "II. Adagio"
    page: 18
    duration: "12'"
---

Portal	URL
AI	`/ai/`
Fiction	`/fiction/`
Miscellany	`/miscellany/`
Music	`/music/`
Nonfiction	`/nonfiction/`
Poetry	`/poetry/`
Research	`/research/`
Tech	`/tech/`

Authors

The authors key controls the author line in the metadata block. When omitted, it defaults to "Levi Neuwirth" linking to /authors/levi-neuwirth/.

Author pages are generated at /authors/{slug}/ and list all attributed content.

Pipe syntax: "Name | URL" — name is the link text, URL is the href. The URL part is optional.

Citations

The citation pipeline uses Chicago Author-Date style. The bibliography lives at data/bibliography.bib (BibLaTeX format) by default; override per-page with bibliography and csl.

Inline citations

This claim is contested.[@smith2020]

Multiple sources agree.[@jones2019; @brown2021]

Inline citations render as numbered superscripts [1], [2], etc. The bibliography section appears automatically in the page footer. citations.js adds hover previews showing the full reference.

Footnotes → sidenotes

Standard Markdown footnotes are converted to sidenotes at build time.

This sentence has a note.[^1]

[^1]: The note content, which may contain **bold**, *italic*, links, etc.

On wide viewports the note floats into the right margin. On narrow viewports it falls back to a standard footnote. Sidenotes are numbered automatically.

Avoid block-level elements (headings, lists) inside footnotes.

Wikilinks

Internal links can be written as wikilinks. The title is slugified to produce the URL.

[[Page Title]]             → links to /page-title
[[Page Title|Link text]]   → links to /page-title with custom display text

Slug rules: lowercase, spaces → hyphens, non-alphanumeric characters removed. [[My Essay (2024)]] → /my-essay-2024.

Use standard Markdown link syntax [text](/path) for any link whose path is not derivable from the page title.

Math

KaTeX renders client-side from raw LaTeX. CSS and JS are loaded conditionally on pages that have math: true set in their context (all essays and posts have this by default).

Syntax	Usage
$...$	Inline math
`$$...$$` on its own line	Display math

The quadratic formula is $x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$.

$$
\int_0^\infty e^{-x^2}\,dx = \frac{\sqrt{\pi}}{2}
$$

Links

Internal links: standard Markdown or wikilinks.

External links are classified automatically at build time:

Opened in a new tab (target="_blank" rel="noopener noreferrer")
Decorated with a domain icon via CSS mask-image

Domain	Icon
`wikipedia.org`	Wikipedia
`arxiv.org`	arXiv
`doi.org`	DOI
`github.com`	GitHub
Everything else	Generic external arrow

Link preview popups

Hovering over an internal link shows a popup: title, abstract, authors, tags, reading time. Hovering over a Wikipedia link shows an article excerpt. Citation markers ([1]) show the full reference. All automatic.

Code

Fenced code blocks with a language identifier get syntax highlighting (JetBrains Mono). The language annotation also enables the selection popup's docs-search feature (maps to MDN, Hoogle, docs.python.org, etc.).

```haskell
fib :: Int -> Int
fib 0 = 0
fib 1 = 1
fib n = fib (n-1) + fib (n-2)
```

Inline code: `like this`

Images

Place images in static/images/. All images automatically get loading="lazy".

![Alt text](/images/my-image.png)

For a captioned figure, add a title string. Pandoc wraps it in <figure>/<figcaption>:

![Alt text](/images/my-image.png "Caption shown below.")

Lightbox: standalone images automatically get data-lightbox="true". Clicking opens a fullscreen overlay; close with ×, click outside, or Escape. Images inside hyperlinks get lazy loading only — no lightbox.

Section collapsing

By default, every h2 and h3 heading in an essay gets a collapse toggle. State persists in localStorage.

To disable on a specific page:

no-collapse: true

Exhibits and annotations

Pandoc fenced divs (:::) create structured callout blocks.

Exhibits

Always-visible numbered blocks with overlay zoom on click. Use for equations or proofs you want to reference structurally. Listed under their parent heading in the TOC.

::: {.exhibit .exhibit--equation}
$$E = mc^2$$
:::

::: {.exhibit .exhibit--proof}
*Proof.* Suppose for contradiction that …  ∎
:::

Annotation callouts

Editorial sidebars — context, caveats, tangential detail.

::: {.annotation .annotation--static}
Always visible. Use for important caveats or context.
:::

::: {.annotation .annotation--collapsible}
Collapsed by default. Use for tangential detail.
:::

Score fragments

Inline SVG music notation, integrated with the gallery/exhibit system. Clicking a fragment opens the shared overlay alongside any math exhibits on the page.

::: {.score-fragment score-name="Main Theme, mm. 1–8" score-caption="The opening gesture."}
![](scores/main-theme.svg)
:::

Both attributes are optional, but score-name is strongly recommended — it drives the overlay label and the TOC badge.

The image path is resolved relative to the source file's directory:

Source file	SVG path	Reference as
`content/essays/my-essay.md`	`content/essays/scores/theme.svg`	`scores/theme.svg`
`content/music/symphony/index.md`	`content/music/symphony/scores/motif.svg`	`scores/motif.svg`
`content/me/index.md`	`content/me/scores/vln.svg`	`scores/vln.svg`

SVGs are inlined at build time. Black fill/stroke values are replaced with currentColor so notation renders correctly in dark mode.

Excerpts

Pull-quotes from other works, displayed as indented blockquotes with a small attribution line and a stretched invisible link covering the whole figure.

Poem excerpt

Use when quoting verse that has a dedicated page on the site. The entire figure becomes a click target pointing to the poem; the attribution line remains an independent link.

<figure class="poem-excerpt">
<blockquote>

Like as the waves make towards the pebbled shore,
So do our minutes hasten to their end;

</blockquote>
<figcaption><a href="/poetry/sonnet-60.html">William Shakespeare — <em>Sonnet 60</em></a></figcaption>
</figure>

The blockquote renders with the default dashed left border and italic muted text. No box or background. The figcaption is small-caps and left-aligned.

Prose excerpt

For quoting prose or for excerpts that do not have a page on the site:

<figure class="prose-excerpt">
<blockquote>

The passage you want to quote goes here.

</blockquote>
<figcaption><a href="https://example.com">Author — <em>Source Title</em></a></figcaption>
</figure>

prose-excerpt is full-width (width: auto; max-width: 100%) rather than fit-content-wide like poem-excerpt. Both reset the image-figure box styles (no background, no border, no padding).

Commonplace book

The /commonplace page is a YAML-driven quotation collection. Add entries to data/commonplace.yaml; the page rebuilds automatically.

- text: |-
    Like as the waves make towards the pebbled shore,
    So do our minutes hasten to their end;
    Each changing place with that which goes before,
    In sequent toil all forwards do contend.    
  attribution: William Shakespeare
  source: Sonnet 60
  source-url: /poetry/sonnet-60.html
  tags: [time, mortality]
  commentary: >
    Optional note. Shown below the quote in muted italic. Omit entirely if
    not needed — most entries will not have one.    
  date-added: 2026-03-17

Field	Required	Notes
`text`	yes	Use `
`attribution`	yes	Author name, plain text
`source`	no	Title of the source work
`source-url`	no	Makes `source` a link
`tags`	no	Separate from content tags; used for "by theme" grouping
`commentary`	no	Your own remark on the passage
`date-added`	no	ISO date; used for chronological sort

The page has a by theme / chronological toggle (state persists in localStorage). Untagged entries appear under "miscellany" in the themed view.

Music

Catalog index (`/music/`)

content/music/index.md is the catalog homepage. Write prose about your compositional work in the body; provide an abstract for the intro line. The composition listing is auto-generated from all content/music/*/index.md files — no manual list needed.

---
title: Music
abstract: Compositions spanning orchestral, chamber, and solo writing.
tags: [music]
---

[Your prose here — influences, preoccupations, approach to the craft.]

Composition pages

Each composition lives in its own subdirectory:

content/music/symphony-no-1/
├── index.md            ← frontmatter + program notes prose
├── scores/
│   ├── page-01.svg     ← one file per score page
│   └── symphony.pdf    ← optional PDF download
└── audio/
    ├── full.mp3        ← optional full-piece recording
    └── movement-1.mp3  ← optional per-movement recordings

Two URLs are generated automatically from one source:

/music/symphony-no-1/ — prose landing page with metadata, audio players, movements
/music/symphony-no-1/score/ — minimal page-turn score reader

The score reader is only generated when score-pages is non-empty.

Catalog indicators — the /music/ catalog auto-derives:

◼ (score available): score-pages list is non-empty
♫ (recording available): recording key is present, or any movement has audio

Catalog grouping — category controls which section the work appears in. Valid values: orchestral, chamber, solo, vocal, choral, electronic. Anything else appears under "Other". Omitting category defaults to "other".

Featured works — set featured: true to also appear in the Featured section at the top of the catalog.

Page scripts

For pages that need custom JavaScript (interactive widgets, visualisations, etc.), place the JS file alongside the content and reference it via the js: frontmatter key. The file is copied to _site/ and injected as a deferred <script> at the bottom of <body>.

js: scripts/memento-mori.js          # single file

or a list:

js:
  - scripts/widget-a.js
  - scripts/widget-b.js

Paths are relative to the content file. A composition at content/music/symphony/index.md with js: scripts/widget.js serves the script at /music/symphony/scripts/widget.js.

No changes to the build system are needed — the content/**/*.js glob rule copies all JS files from content/ to _site/ automatically.

Epistemic profile

The epistemic footer section appears when status is set. All other fields are optional and are shown or hidden independently.

Field	Compact display	Expanded (`<details>`)
`status`	chip (always shown if present)	—
`confidence`	`72%`	—
`importance`	`●●●○○`	—
`evidence`	`●●○○○`	—
`stability`	—	auto-computed from git history
`scope`	—	if set
`novelty`	—	if set
`practicality`	—	if set
`last-reviewed`	—	most recent commit date
`confidence-trend`	—	↑/↓/→ from last two `confidence-history` entries

Stability is auto-computed from git log --follow at every build. The heuristic: ≤1 commits or age <14 days → volatile; ≤5 commits and age <90 days → revising; ≤15 commits or age <365 days → fairly stable; ≤30 commits or age <730 days → stable; otherwise → established.

To pin a manual stability label for one build, add the file path to IGNORE.txt (one path per line). The file is cleared automatically by make build.

Version history

The version history footer section uses a three-tier fallback:

history: frontmatter — your authored notes, shown exactly as written.
Git log — if no history: key, dates are extracted from git log --follow. Entries have no message (date only).
date: frontmatter — if git has no commits for the file, falls back to the date field as a single "Created" entry.

make build auto-commits content/ before running the Hakyll build, so the git log stays current without manual commits.

Write authored notes when the git log would be too noisy or insufficiently descriptive:

history:
  - date: "2026-03-01"
    note: Initial draft
  - date: "2026-03-14"
    note: Expanded section 3; incorporated feedback from peer review

Typography features

Applied automatically at build time; no markup needed.

Feature	What it does
Smart quotes	`"foo"` / `'bar'` → curly quotes
Em dashes	`---` → —
En dashes	`--` → –
Smallcaps	`[TEXT]{.smallcaps}` → `font-variant-caps: small-caps`
Drop cap	First letter of the first `<p>` gets a decorative large initial
Explicit drop cap	`::: dropcap` fenced div applies drop cap to any paragraph
Ligatures	Spectral `liga`, `dlig` OT features active for body text
Old-style figures	Spectral `onum` active; use `.lining-nums` class to override

To mark a phrase as small caps explicitly:

The [CPU]{.smallcaps} handles this.

Explicit drop cap

Wrap any paragraph in a ::: dropcap fenced div to get a drop cap regardless of its position in the document. The first line is automatically rendered in small caps.

::: dropcap
COMPOSITION [IS]{.smallcaps} PERHAPS MORE THAN ANYTHING ELSE THE PRACTICE OF MY
LIFE. I say these strong words because I feel strongly about this process.
:::

The opening word (or words, before a space) should be written in ALL CAPS in source — they will render as small caps via ::first-line. The [IS]{.smallcaps} span is not strictly necessary but can force specific words into the smallcaps run if needed.

A paragraph that immediately follows a ::: dropcap block will be indented correctly (text-indent: 1.5em), matching the paragraph-after-paragraph rule.

Selecting any text (≥ 2 characters) shows a context-aware toolbar after 450 ms.

Context	Buttons
Prose (multi-word)	BibTeX · Copy · DuckDuckGo · Here · Wikipedia
Prose (single word)	BibTeX · Copy · Define · DuckDuckGo · Here · Wikipedia
Math	Copy · nLab · OEIS · Wolfram
Code (known language)	Copy · <MDN / Hoogle / Docs…>
Code (unknown)	Copy

BibTeX generates a @online{...} BibLaTeX entry with the selected text in note={\enquote{...}} and copies it to the clipboard. Define opens English Wiktionary. Here opens the Pagefind search page pre-filled with the selection.

Page footer sections

Essays get a structured footer. Sections with no data are hidden.

Section	Shown when
Version history	Always (falls back through three-tier system)
Epistemic	`status` frontmatter key is present
Bibliography	At least one inline citation
Further Reading	`further-reading` key is present
Backlinks	Other pages link to this page

Backlinks are auto-generated at build time. No markup needed — any internal link from another page creates an entry here, showing the source title and the surrounding paragraph as context.

Build

make build    # auto-commit content/, compile, run pagefind, clear IGNORE.txt
make deploy   # build + optional GitHub push + rsync to VPS
make watch    # Hakyll live-reload dev server at http://localhost:8000
make dev      # clean build + python HTTP server at http://localhost:8000
make clean    # wipe _site/ and _cache/

make watch hot-reloads changes to Markdown, CSS, JS, and templates. After any change to a .hs file, always run make clean && make build — Hakyll's cache is keyed to source file mtimes and will serve stale output after Haskell-side changes.

make deploy pushes to GitHub if GITHUB_TOKEN and GITHUB_REPO are set in .env (see .env.example), then rsyncs _site/ to the VPS.

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