Generates a new editorial-zine HTML page for any serialized digital zine, matching the host repo's typography, masthead/hero/closing shell, color discipline, and per-page inline-override pattern. Use when adding a new Part/chapter/issue page, when the user asks to create/make/build an HTML page about a topic (including a request phrased as a plain or standalone HTML page), formatting pasted copy in the zine style, or scaffolding a serialized HTML zine in a fresh repo.
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
A direct command skips the review prompt. Inspect the source before running it.
Generates a new editorial-zine HTML page for any serialized digital zine, matching the host repo's typography, masthead/hero/closing shell, color discipline, and per-page inline-override pattern. Use when adding a new Part/chapter/issue page, when the user asks to create/make/build an HTML page about a topic (including a request phrased as a plain or standalone HTML page), formatting pasted copy in the zine style, or scaffolding a serialized HTML zine in a fresh repo.
Zine Page Builder
Generates a new editorial-zine HTML page for any serialized digital zine — matching the host repo's typography, masthead/hero/closing shell, color discipline, and per-page inline-override pattern. This is the theme-agnostic version zine-page skill.
Prerequisites (one-time setup per repo)
Before using this skill, the host repo should provide:
A shared stylesheet at a known path (default: css/global.css) that defines design tokens (--bg, --ink, --accent, --display, --body, --mono, --container-max) and the canonical shell classes (.masthead, .hero, .hero-grid, .part-tag, .hero-meta, section, .section-label, .lede, .bridge, .page-nav, .prev-pill, .next-pill, footer, .colophon).
A zine.config.json (or equivalent) at the repo root declaring the series identity. See below.
At least one finished page to use as a visual reference. Without it, the skill will produce a structurally correct but stylistically generic result.
If any of these are missing, the skill handles it in Step 0 rather than failing — either by seeding the fallback default-global.css from assets/ or by generating a custom global.css from a mood board the user supplies.
When to Use
Trigger this skill when the user:
Asks for a new "Part", "chapter", "issue", or "section" page in a digital zine
Pastes raw copy (headline, paragraphs, quotes, bullet evidence, code snippets) and asks for it formatted "like the others" / "in the zine style" / "matching the series"
Says "add the next part", "make a Part N about X", "turn this into a zine page"
Says "create me an HTML page about X", "make a page about X", "build an HTML page about X", "create me a plain / standalone HTML page", or any direct request to author a new page — this is the skill's core purpose. In this zine repo every page is a zine page, so even a "plain" or "standalone" request gets the zine shell. Run the Decision Gate and Step 2 survey to place it in the series; do not require the user to say the words "Part" or "zine".
Do not use this skill for:
Edits to a single existing page (just edit directly)
README or docs
Requests where a mood board (reference images) is attached — hand off to moodboard-to-html (generic aesthetic) or moodboard-to-template (zine aesthetic)
Adding new shared styles to the global stylesheet (do that directly)
Single-page tabbed, accordion, or carousel layouts that hide inactive content via hidden / display: none. The skill's reading model is one document per Part. If a future archetype adds a stacked single-page layout (the single-page-scrolling archetype on the roadmap), it will use in-page anchors and stacked sections, not a tab widget.
What it Produces
A single self-contained <page-prefix>-N-<slug>.html file at the configured location that:
Links the configured shared stylesheet
Loads the configured display + body + mono fonts from Google Fonts
Uses the canonical shell: .masthead → hero band → body sections → bridge/closing band → .page-nav (prev/next pills) → <footer>
Has an inline <style> block with page-specific overrides only (accent color, layout, scene)
Uses italic <em> on accent words inside h1 / h2 if the series uses that convention
Wires prev/next links to the surrounding pages
Series Config
The skill reads zine.config.json (or accepts these as runtime inputs) to know the series identity:
If zine.config.json is missing, ask the user once for each field, then offer to write the config file so future runs are zero-config.
Procedure
Decision gate: how many pages?
Before running any other step, resolve this question with the user. The skill produces serialized pages — one HTML file per Part, linked by prev/next pills (the canonical model). Phrases like "3-part series", "3 chapters", or "3 sections" are ambiguous. Ask:
"This skill produces serialized pages — one HTML file per Part, linked by prev/next pills (the canonical model). Did you mean:(a) Three separate Part files in a folder, each a full Part (recommended; what this skill is built for).(b) One bundled scrolling page with all three parts stacked, navigated by in-page anchors. Note: this is a future archetype; today the skill only emits (a).(c) Something else — describe what you want."
If the user picks (a), proceed to Step 0. If the user picks (b) or (c), stop and surface the limitation rather than improvising a single-page tabbed, accordion, or carousel layout — that is explicitly out of scope per the "Do not use this skill for" list above.
Step 0: Seed or generate global.css
Subfolder placement precondition. Before asking the Step 0 question, confirm the host repo path where stylesheet should land. If the series lives in a subfolder (for example guidance/getting-started/), the user's zine.config.jsonstylesheet field is relative to the repo root and the page files go in fileLocation. Do not assume ./css/global.css.
Run this step only when the configured stylesheet does not exist yet (first-time setup in a new repo). If css/global.css already exists, skip to Step 1.
Ask the user one question:
"No global.css found. How do you want to theme this zine?(a) Use the bundled default (warm neutral, system fonts) — fastest, you can edit later.(b) Generate one from a mood board — paste 1–6 reference images and I'll derive the palette + fonts.(c) I'll write it myself — just scaffold the file with the token contract and let me fill it in."
Path (a) — Bundled default
Copy assets/default-global.css from this skill folder to the configured stylesheet path (default css/global.css). The bundled default ships with:
Palette: warm cream paper (#F4EFE6), deep ink (#1A1614), editorial navy accent (#1A2E4A), with a mustard --highlight (#F5C842) for emphasis blocks.
Fonts: Fraunces (display and body), JetBrains Mono (code), loaded inline via @import, so no <link> tags needed in pages. Inter Tight remains a recommended sans alternative; swap it into --body to soften long-form reading. Headings h1 and h2 pin Fraunces' opsz axis to 144, and their italic <em> accents also pull the SOFT axis to 100, so any per-page heading override must preserve those font-variation-settings.
Performance mode (optional): @import adds one extra serial round-trip to first paint because the browser's preload scanner cannot see CSS-embedded URLs. The &display=swap parameter keeps text visible during that window, so the page is never blank. If you need faster font arrival, delete the @import line from default-global.css and add this to your page template's <head> instead:
The CSS will continue to consume the families through var(--display), var(--body), and var(--mono).
Shell: all canonical classes (.masthead, .hero, .bridge, .page-nav, .prev-pill, .next-pill, etc.) wired and ready.
Tell the user where it landed and that they can edit :root tokens any time to re-skin the whole series — or run Step 0 again with Path (b) to derive a custom palette from images.
Path (b) — Mood-board generation
The user supplies 1–6 images (book covers, magazine spreads, photographs, screenshots of sites or posters they admire). Inspect each image and derive:
Token
How to derive
--bg
Most dominant warm/cool neutral across the boards (paper, wall, sky).
--bg-card
A slightly lighter or tinted variant of --bg (~5% lift).
--ink
The darkest non-accent color used for type — true black is rarely right; lean to deep brown, navy, or charcoal.
--ink-soft
A 60% mix of --ink toward --bg.
--ink-faint
A 35% mix of --ink toward --bg.
--rule
Same as --ink unless the boards show a distinct hairline color.
--accent
The single most-repeated saturated color across the boards.
--accent-soft
A 15% tint of --accent on --bg.
--accent-bright / --accent-deep
A lighter and darker sibling of --accent for hover/depth.
--warn, --highlight, --good, --moss
Pick from the boards if present; otherwise carry the bundled defaults.
--display
A serif (or strong display) family that matches the headline energy of the boards. Pull from Google Fonts.
--body
A clean humanist sans for body copy. Default to Inter Tight or Source Sans 3 if unsure.
--mono
A monospaced family with personality (JetBrains Mono, IBM Plex Mono, Fira Code).
Process:
State what you observed in each image in one short line each (e.g., "Image 1: editorial fashion spread, ivory paper, oxblood accent, Didone serif."). This gives the user a chance to course-correct before you write code.
Propose the full token set as a small table. Ask the user to confirm or adjust before writing the file.
Once confirmed, take assets/default-global.css as the structural scaffold and replace only the :root block + the font-family declarations. Do not invent new shell classes — the contract listed in Prerequisites is fixed so pages stay portable.
Update zine.config.jsonfonts field to match the new families.
Write the file to the configured stylesheet path.
Worked example (few-shot)
User drops in three images and says "theme it like this."
Step 1 — Observe (one line per image):
Image 1: Penguin Classics paperback cover — cream paper, deep oxblood spine band, thin black rules, condensed serif title set in small caps.Image 2: Aperture magazine spread — wide ivory margins, charcoal body type, a single muted teal pull-quote, photo bled to the gutter.Image 3: Letterpress poster — warm off-white stock, brick-red display type, hand-set wood-type feel, black hairline borders.
Step 2 — Propose tokens (table back to user):
Token
Value
Why
--bg
#F1E9D9
Average of all three paper stocks (cream/ivory/off-white).
--bg-card
#F8F1E2
~5% lift of --bg.
--ink
#1F1612
Charcoal from image 2, slightly warmed to match the paper. Avoids true black.
--ink-soft
#6B5C52
60% mix of --ink toward --bg.
--ink-faint
#A99B8C
35% mix.
--rule
#1F1612
Same as --ink (hairline rules in images 1 and 3).
--accent
#8B2E1F
Oxblood/brick red — the dominant saturated color across images 1 and 3.
--accent-soft
#E7D2CC
15% tint of --accent on --bg.
--accent-bright
#B8503E
Lighter sibling for hover.
--accent-deep
#5E1E14
Darker sibling for depth.
--highlight
#5A8A87
The teal pull-quote from image 2 — keep it as a secondary highlight.
--display
'Playfair Display', Georgia, serif
Matches the high-contrast serif energy of images 1 and 3.
--body
'Source Sans 3', system-ui, sans-serif
Clean humanist sans pairs with Playfair; reads like image 2's body type.
--mono
'IBM Plex Mono', ui-monospace, monospace
Slight typewriter warmth, fits the letterpress feel.
"Approve, tweak any cell, or say 'try again' and I'll re-derive."
Step 3 — On approval, write css/global.css with these tokens in :root, update zine.config.jsonfonts to {display: "Playfair Display", body: "Source Sans 3", mono: "IBM Plex Mono"}, and confirm in chat.
If the user says "the accent is too dark, lift it" — adjust only that row, don't re-derive everything.
Path (c) — Hand-rolled
Copy assets/default-global.css to the configured path but replace the :root block with a TODO comment listing every required token. Tell the user which tokens and shell classes are non-negotiable (per Prerequisites), then hand back control.
1. Load series config
Read zine.config.json. If absent, run the one-question-at-a-time interview above and offer to persist the answers.
2. Survey the existing series
Glob for files matching pageGlob at fileLocation
The new file's number = highest existing N + 1, unless the user names a different slot
prev = the file with N−1; next = the file with N+1 (or leave next as # if it doesn't exist yet)
If unclear which slot the user wants, ask once.
3. Choose the layout archetype
Pick based on the content the user pasted. If ambiguous, ask once with the options from config.archetypes. Default archetypes and when to use them:
Has an animated SVG centerpiece in the hero (orbit, twinkle, pulse, etc.)
visual-diagram
Dark page dominated by one big diagram block (strata, layered eras, system map)
A host repo may define its own archetype names in config.archetypes and provide matching reference pages.
4. Collect page inputs
Input detection — first inspect what the user already pasted:
If the message contains a clear headline + deck + at least one body section, treat it as a structured paste: parse directly, infer the archetype, and skip Q&A for fields you can confidently extract.
If the message is just a topic / intent ("make a Part 12 about X"), switch to guided Q&A: ask one short question at a time, in order.
If unclear, ask the user once which mode they want.
Decide these (ask only for what's missing):
Part number and slug (kebab-case, used in filename + title)
Section label (top-right of masthead, e.g. "Onboarding")
Kicker / part tag (short uppercase line above the headline)
Headline (mark which word(s) are italic <em> accent, if the series uses that convention)
Deck (italic subhead under the headline)
Body content (sections, quotes, code, bullets, etc.)
Closing line (the editorial sign-off in the bridge band)
Accent color (page-specific; defaults to whatever --accent is in the shared stylesheet)
5. Assemble the file
Use this baseline scaffold and adapt per archetype. Always link the configured stylesheet, always include the masthead + hero + bridge + page-nav + footer shell.
visual-diagram: override --bg to dark, dedicate one section to a large diagram block
Code sections (any archetype): use .codeblock for dark monospaced blocks. Inline tokens use <span class="kw">, <span class="str">, <span class="cm">, <span class="red-hl">, <span class="yellow-hl">.
Animations (themed-scene only): SVG-driven CSS @keyframes only. Never auto-playing JS animations, never anything that traps focus, never loops > ~15s. Always wrap in @media (prefers-reduced-motion: no-preference).
Rules that apply to every archetype:
Always link the configured stylesheet — never inline shared tokens.
Always include the Google Fonts preconnect and the configured font families.
Inline <style> is page-specific overrides only — accent color, layout grids, scene CSS.
Italic-em accent on at least the headline if config.useItalicEmAccent is true. This is most series' visual signature.
Masthead format: left = <seriesName> · <Section Label>, center = No. NN (zero-padded), right = <year>.
Always include .page-nav with prev/next pills before the <footer>. Use class="prev-pill" / class="next-pill".
Footer: one short line from config.footerLine, usually in the .colophon style.
Body width: respect --container-max via .container for editorial; noir-wall and visual-diagram are typically full-bleed.
Never inline more than the per-page :root accent overrides plus page-only layout selectors. If css/global.css does not exist on disk, stop and run Step 0 first. The skill must never produce a page whose inline <style> redeclares any of the global tokens (--bg, --ink, --display, --body, --mono, --container-max).
6. Write and confirm
Write the file to {{fileLocation}}/{{pagePrefix}}-<N>-<slug>.html. Then briefly tell the user:
Filename created
Archetype used
Prev/next wired (or note if next is a placeholder)
One offer: tweak accent color, swap archetype, or add another section
Accessibility Bar
Target conformance: WCAG 2.2 Level AA. Every rule below cites at least one Success Criterion so authors can verify it. The bundled default-global.css ships browser-enforced defaults for focus visibility, the skip link, and reduced motion, so the rules in this section are the per-page semantic decisions that CSS cannot make for you.
Document baseline
The page declares its language and structure so assistive tech can orient the reader.
<!DOCTYPE html> is present and <html lang="en"> is set (SC 3.1.1).
<title> is unique to this page and matches the series number used in prev/next links (SC 2.4.2).
<meta name="viewport" content="width=device-width, initial-scale=1"> is present.
Exactly one <h1> per page; subsequent headings do not skip levels, so the outline goes h1 then h2 then h3 without gaps (SC 1.3.1).
<main id="main"> wraps the article body (everything between the masthead and the series prev/next nav) (SC 2.4.1).
The first focusable element inside <body> is <a class="skip-link" href="#main">Skip to content</a> (SC 2.4.1).
Each <nav> has an aria-label that distinguishes it from other navs on the page, for example aria-label="Series navigation" on the prev/next pills (SC 2.4.1, SC 4.1.2).
Link text is descriptive of the destination on its own (SC 2.4.4).
Color and contrast budget
The default palette contrast ratios against the cream background:
Pair
Ratio
AA body (4.5:1)
AA large/non-text (3:1)
#1A1614 on #F4EFE6 (ink on cream)
~15.7 : 1
pass (AAA)
pass
#1A2E4A on #F4EFE6 (navy on cream)
~12.0 : 1
pass (AAA)
pass
#F5C842 on #1A1614 (mustard on dark)
~11.2 : 1
pass (AAA)
pass
#6F645B faint on #F4EFE6 (recommended)
~5.0 : 1
pass
pass
#9A9087 faint on #F4EFE6 (current default, do not use for body)
~3.0 : 1
FAIL
UI only
Body text needs at least 4.5:1 against its background; large text (24 px or 18.66 px bold and up) and non-text UI elements need at least 3:1 (SC 1.4.3, SC 1.4.11). Never apply --ink-faint (or any color below 4.5:1) to body paragraphs. Dark archetypes that override --bg recompute every text color against the new background before shipping.
Images, figures, SVG
Every <img> carries an alt attribute. Decorative images use alt="". Inline SVG is one of two kinds (SC 1.1.1):
Decorative SVG: add aria-hidden="true" and no title.
Narrative SVG (hero diagrams, anything with meaning the reader needs): add role="img" and a child <title> element that captions the diagram in one sentence.
Wrap meaningful image-plus-caption pairs in <figure> with <figcaption> so the relationship is exposed (SC 1.3.1).
Links and series navigation
Link text describes the destination on its own; never ship an arrow-only prev/next pill (SC 2.4.4). The prev/next pills set rel="prev" and rel="next" so series order is machine-readable. If a page has a table of contents, the current page is marked aria-current="page". The .page-nav block sits in the same place on every page so reader orientation never shifts (SC 3.2.3, SC 3.2.4).
Focus and keyboard
Never use outline: none without a :focus-visible replacement (SC 2.4.7, SC 2.4.11). The bundled default-global.css already provides:
Every interactive element (links, <details>, any <button>) must be reachable and operable by keyboard alone (SC 2.1.1). Pointer-only gestures are forbidden (SC 2.5.8 raised the minimum target size and click area in WCAG 2.2).
A <pre> block that overflows horizontally is a scroll region, so it gets tabindex="0" role="region" aria-label="Code sample: <lang>" so keyboard users can scroll it. A <pre> that does not overflow does NOT get tabindex, because that would create a dead tab stop with no operable content.
Motion
The bundled default-global.css ships a prefers-reduced-motion: reduce block that zeros out animations, transitions, and scroll-behavior globally. Do not override that block from a per-page <style>.
Allowed motion: subtle hover transitions on links, the global smooth scroll. Disallowed: loops longer than fifteen seconds, focus-trapping animations, auto-playing video (SC 2.3.3). Any motion that lasts five seconds or longer needs a visible pause, stop, or hide control near the trigger (SC 2.2.2).
Typography
Body type is at least 16 px and line-height is at least 1.5 (SC 1.4.4, SC 1.4.12). Color is never the only signal: status, warnings, and "this is the bad one" callouts pair color with a text label, an icon, or a weight change (SC 1.4.1). The page renders at 200 % browser zoom without horizontal scrolling on the main article column (SC 1.4.4, SC 1.4.10).
Pre-save checklist
Before writing the file, run through these yes/no items. Any "no" is a fix-now, not a defer.
<!DOCTYPE html> present, <html lang="en"> set.
<title> is unique to this page and matches the series number in prev/next links.
Exactly one <h1> in the page; subsequent headings don't skip levels.
<main id="main"> wraps the article body.
First focusable element is a working skip link pointing at #main.
Every <nav> has an aria-label distinguishing it from other navs.
Prev/next pills have descriptive text, never arrow-only.
Every <img> has alt; decorative images use alt="".
Every inline SVG is either aria-hidden="true" (decorative) or has role="img" plus <title>.
No color-only signals (status, "this is the bad one", etc.); pair color with text, icon, or weight.
No body text uses --ink-faint or any color below 4.5:1 on the page background.
Dark archetypes recompute contrast against the overridden --bg; no raw rgba() below 4.5:1 for body text.
<pre> blocks with horizontal overflow have tabindex="0" role="region" aria-label="Code sample: <lang>"; non-scrolling <pre> does NOT have tabindex.
No outline: none without a matching :focus-visible replacement.
Page renders cleanly at 200 % browser zoom (no horizontal scroll on the article).
Anti-patterns
Arrow-only prev/next links.
Headlines that skip levels (h1 then h3).
Multiple <h1> per page.
Missing <main> landmark.
Decorative SVG without aria-hidden.
Narrative SVG or hero diagram without role="img" plus <title>.
Color used as the sole way to communicate (e.g. green = good, red = bad, with no label).
Faint-ink applied to body paragraphs.
Raw rgba() muted text on dark archetypes without verifying ratio.
outline: none without a replacement focus indicator.
Animations without a prefers-reduced-motion guard at the CSS level (the bundled default-global.css covers this globally, so don't override it per-page).
tabindex="0" on a <pre> that isn't scrollable (creates a dead tab stop).
hyphens: auto or overflow-wrap: anywhere on .hero h1 — splits whole words mid-character (e.g. "har-ness" across two lines). Keep the whole-word wrap contract from default-global.css.
Hero Layout Rule
The default .hero-grid is a two-column layout: a large display headline on the left, a .hero-meta "IN THIS PART" sidebar on the right. Three anti-patterns in per-page <style> blocks will silently break it.
Do not restate .hero-grid { grid-template-columns: ... } without minmax(0, 1fr) on the headline track. A plain 1fr lets the longest unbreakable word in the headline expand the track past the container, pushing .hero-meta off the right edge.
Do not set line-height below 0.95 on .hero h1 when the display font is italic and serif (Fraunces, Playfair, EB Garamond). Italic descenders on "y", "g", and "j" collide with baseline punctuation on the line below at any value tighter than that.
Do not add overflow: hidden to .hero to mask a layout that overflows. That hides the bug instead of fixing it and can clip the focus ring on the skip-link target.
Do not set hyphens: auto or overflow-wrap: anywhere on .hero h1. Both split ordinary words mid-character — auto inserts a hyphen so "harness" renders as "har-" / "ness" across two lines, and anywhere breaks at any character with no hyphen. The headline must wrap on whole-word boundaries so each word stays intact on one line. Word-break behavior is part of the series look; do not loosen it per page.
The bundled default-global.css already ships grid-template-columns: minmax(0, 1fr) 280px, min-width: 0 on .hero-grid > *, line-height: 0.95 on .hero h1, and the whole-word wrap contract hyphens: manual; overflow-wrap: break-word; word-break: normal; text-wrap: balance; so headline words never auto-hyphenate. Per-page overrides should preserve all of these.
Controlling where a headline wraps
Because the headline wraps on whole words, a long word like "harness" always stays intact on a single line. When you want a headline to break at a specific spot, control it explicitly rather than reaching for hyphens: auto:
Insert <br> for a hard, intentional line break (Humans need<br>harnesses too.).
Use a non-breaking space to keep two words glued together on the same line (harness workshop so "workshop" never falls to a new line away from "harness").
As a last resort for one genuinely too-long word, insert a soft hyphen ­ at the syllable where a break is acceptable (har­ness). With hyphens: manual the browser breaks there only if needed, and otherwise renders the word whole with no hyphen.
Editing Rules (don't drift the series)
Never modify the shared stylesheet from inside this skill. If a token is missing, surface it to the user as a separate suggestion.
Never import a font family not declared in config.fonts.
Never use Tailwind, Bootstrap, or any CSS framework. Hand-rolled CSS only.
Keep handwritten/marker accents (.scribble, .sticky, .stamp) exclusive to noir-wall pages unless the host series declares otherwise.
The italic-em color trick on headlines is non-negotiable when config.useItalicEmAccent is true.
Anti-patterns
Producing a generic "modern landing page" with cards and gradients — this is an editorial zine, not a SaaS site.
Putting body copy in font-family: var(--display) — display is for headlines and italic ledes only; body uses the configured body font, code uses the configured mono font.
Skipping the prev/next pills (breaks the reading flow of the series).
Inlining the full global palette in every page (defeats the shared stylesheet).
Hard-coding the series name, year, or footer line — always read from zine.config.json.
Wrapping <code class="codeblock"> inside <pre class="..."> where the <pre> selector is undefined, or using <div class="codeblock"> without white-space: pre-wrap. The .codeblock class in default-global.css is designed for <pre><code class="codeblock">...</code></pre> and assumes the outer <pre> carries the default white-space: pre behavior. Per-page CSS must not redefine the class.
Porting to a new repo
To use this skill in a fresh repo:
Copy the whole .github/skills/zine-page/ folder (including assets/default-global.css) into the new repo.
Add a zine.config.json at the repo root — or let Step 0 prompt you for it on first run.
Trigger the skill. Step 0 will either seed the default CSS, generate one from a mood board, or scaffold a hand-rolled file.
Optionally hand-build the first page so the agent has a richer visual reference. From page 2 onward, the skill handles it.
The minimum portable bundle is just SKILL.md + assets/default-global.css. Everything else is generated or asked-for at runtime.
Static-site-generator hosts
If the host repo is a static-site generator project, the emitted page may need to integrate with the generator's layout chain instead of standing alone. Detect the generator by these markers:
Jekyll — _config.yml at the repo root.
MkDocs — mkdocs.yml at the repo root.
Hugo — config.toml or hugo.toml at the repo root.
Docusaurus — docusaurus.config.js at the repo root.
When one of these is present, ask the user whether the page should integrate with the generator (for example, Jekyll integration means adding frontmatter such as ---\nlayout: none\npermalink: /...\n--- so Jekyll processes the page without wrapping it in the theme) or stand alone as raw HTML (accepting that the site theme will not wrap it and that relative .md links will not be rewritten). The default behavior is to ask, not to assume.
