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remark42/site/content/privacy.md
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Dmitry VerkhoturovandGitHub 4c9ef37cf1 Move the site from eleventy to hugo (#2179)
* Move the site from eleventy to hugo

The site is built by a single static binary. No node, no package manager,
no lockfile, and the toolchain it needed is gone: eleventy, tailwind,
postcss, markdown-it and its three plugins, date-fns, prism, npm-run-all,
cross-env and html-minifier-terser.

Hugo covers most of that itself. Chroma replaces prism, goldmark replaces
markdown-it, `--minify` replaces html-minifier-terser, and fingerprinted
asset URLs replace the cache-busting `version` shortcode that stamped
`Date.now()` into every stylesheet link.

`assets/styles.css` is hand-written, since tailwind was the only reason
left to keep a package manager. The palette and the light and dark values
are custom properties at the top of the file; the minified stylesheet is
15 kB against tailwind's 46 kB, and the whole build 1.0 MB against 1.2 MB.
It was matched to the old one by comparing computed styles rather than by
eye, which is how the heading weights and line heights, the list marker
colour, and the home page heading and sign-off were caught: the last of
those had been carried by tailwind utilities written into the markup.

The `::: note` container becomes a `note` shortcode taking the emoji to
show. Its closer needs a blank line after it, because a shortcode is not
a block rule the way `markdown-it-container` was, and without one goldmark
keeps the callout inside the open paragraph. The `overflow-x` wrapper
around tables and the heading anchors are goldmark render hooks.

Syntax guessing is off. Chroma detected a systemd unit file as gdscript
and a chat transcript as mysql, and colouring a snippet as the wrong
language is worse than not colouring it. The two chroma themes are scoped
to opposite sides of the theme switch rather than layered, because they do
not declare the same properties on the same tokens: github gives Error a
background github-dark never overrides, and styles Punctuation where
github-dark leaves it alone. Layered, either leaves a light value applying
on a dark page.

`[frontmatter] lastmod` resolves through git, then front matter, then file
modification time. Without that chain `.Lastmod` falls back to `.Date`,
which is zero when a page carries no date, and every page reads
`Jan 01, 0001`. `enableGitInfo` is off because the image build context is
`site/` alone, where hugo fails hard rather than degrading;
`HUGO_ENABLEGITINFO=true` gives real per-page commit dates locally.

Three fixes fall out of the move rather than being sought:

- `/docs/` redirected nowhere. The stub was a markdown file whose
  permalink was a template expression while `markdownTemplateEngine` was
  false, so it never rendered and the URL 404'd. It is an alias now
- `/docs/contributing/` pointed at `/docs/contributing/development/`,
  which has never existed. It points at the backend page
- the 404 page was built to `/404/` and nothing served it. Hugo writes it
  to `/404.html` and reproxy is told to use it

The mobile documentation menu is a checkbox and label. `visibility: hidden`
on the checkbox, which is what the old `invisible` utility set, takes it
out of the tab order, and a label is not focusable on its own, so the menu
could not be opened from the keyboard at all. The checkbox is clipped
rather than hidden, and its label shows a focus ring.

Content is unchanged. Every code block on every page is byte-identical to
the eleventy output; the only prose difference is that two example values,
`mysite.com` and a quoted `https://demo.remark42.com`, are no longer
turned into links, goldmark's linkify being narrower than markdown-it's.

`backend/README.md` and `frontend/apps/remark42/README.md` are symlinks
into the docs tree and follow it to `site/content/`, as does the path
`release.yml` watches. `frontend/CLAUDE.md` described the site as a node
and yarn project in four places.

* Keep the heading anchors markdown-it generated

Goldmark strips punctuation markdown-it kept, so 22 headings holding a
dot, slash, apostrophe, question mark, bracket or em dash would take a new
id and any link into one from outside the repository would stop resolving.

Those headings carry their previous id as well, as an empty target emitted
ahead of the heading by the render hook, from a map of content path to old
anchor in `data/anchor_aliases.json`. The map was built by matching
heading text between the two builds rather than by position, so it
survives a heading being added or moved.

The hook rather than markdown, because goldmark's `{#id}` attribute syntax
cannot express these: it accepts dots, apostrophes and em dashes but
treats a slash, a question mark, a bracket or a percent sign as heading
text, which is 11 of the 22. The ids are stored percent-decoded, since a
browser decodes a fragment before matching, so `#children%E2%80%99s-privacy`
finds `children’s-privacy`. Verified by navigating to the awkward ones
against the built image and measuring where the page settles: each lands
112px down, which is the header offset the target carries.

Three pages carried no title, so the docs template rendered an empty `<h1>`
above the heading their markdown already had. They take their titles from
that heading text, so neither the wording nor its anchor changes, and the
template's `<h1>` carries an id. One in-page link pointed at an anchor
goldmark no longer generates.

The heading render hook emits no permalink anchor. The one it replaced was
an empty `<a href>` with `pointer-events: none`, so it could not be
clicked, and its only job was a `::before` spacer that `scroll-margin-top`
on the heading already does. Being an `<a href>` it stayed in the tab
order, so every heading was an unexplained keyboard stop: eight on the
installation page alone. Fragment navigation still lands 112px down, clear
of the fixed header.

* Harden the site image build and its CI

The architecture guard could not fire. `${TARGETARCH:-amd64}` defaulted
before the `unsupported arch` branch was reachable, so a build without
buildkit put an amd64 hugo inside an aarch64 image and ran only because
Docker Desktop emulates it. Reproduced with `--build-arg TARGETARCH=`:
`/etc/apk/arch` reported aarch64 and `hugo version` linux/amd64. An empty
value is an error now. `Dockerfile.dev` had the same defect and no smoke
step to catch it, so it would have failed at `compose up`.

The hugo tarball is verified against the release's own `checksums.txt`,
and the match is asserted present before it is used: piping grep straight
into `sha256sum -c` left the guarantee resting on what the checker does
with empty input. Busybox exits 1 there, so it did fail closed, but
nothing in the line said so. Verified against a checksums file that does
not list the tarball: the build stops before the install.

Hugo exits 0 on an empty content tree and emits a two-page shell, which
would have been copied, pushed and deployed. The build asserts the home
page and a docs page exist.

`site/**` pull requests were never built. The only building job is gated
on `github.ref == 'refs/heads/master'`, so on a pull request every job
skipped and rendered in the checks list the same way a pass does, and the
image was first built on the run that also deploys it. A `validate` job
builds it with `push: false`, needing no secrets so it works on a fork.

`.github/dependabot.yml` watched `/site` for npm packages that are gone.
That entry is a docker one, which tracks the alpine base. It does not
track the hugo pin and cannot: the docker ecosystem reads `FROM`
references, and `ARG HUGO_VERSION` is a bare string in a download URL, so
that one is a manual bump and `site/README.md` says so.

`Dockerfile.dev` carries a `COPY`, so the dev image works without the
compose bind mount, and compose runs as the invoking user rather than
root, which on linux left root-owned `public/` and `resources/` in the
checkout.

Recorded in the backlog: `master` has `required_status_checks` off with an
empty check list, so the new job surfaces a red X and does not block a
merge. That is a settings decision rather than a code fix.
2026-08-21 18:05:56 -05:00

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Privacy Policy

Umputun operates the website remark42.com, which provides the SERVICE. This page is used to inform website visitors regarding our policies with the collection, use, and disclosure of Personal Information if anyone decided to use our Service. If you choose to use our Service, then you agree to the collection and use of information in relation with this policy. The Personal Information that we collect are used for providing and improving the Service. We will not use or share your information with anyone except as described in this Privacy Policy.

The terms used in this Privacy Policy have the same meanings as in our Terms and Conditions, which is accessible at https://remark42.com, unless otherwise defined in this Privacy Policy.

Information Collection and Use

For a better experience while using our Service, we may require you to provide us with certain personally identifiable information, including but not limited to your name and email address. We can also obtain some basic information from third-party services used to perform login to our Service. The information that we collect will be used to contact or identify you.

How users may request deletion of that data

The user can request deletion of the data by clicking "Request my data removal" on the profile page and follow the link sent in the confirmation email.

Log Data

We want to inform you that whenever you visit our Service, we collect information that your browser sends to us that is called Log Data. This Log Data may include information such as your computers Internet Protocol (“IP”) address, browser version, pages of our Service that you visit, the time and date of your visit, the time spent on those pages, and other statistics.

Cookies

Cookies are files with small amount of data that is commonly used an anonymous unique identifier. These are sent to your browser from the website that you visit and are stored on your computers hard drive. Our website uses these “cookies” to confirm user identity. You have the option to either accept or refuse these cookies, and know when a cookie is being sent to your computer. If you choose to refuse our cookies, you may not be able to use some portions of our Service.

Service Providers

We may employ third-party companies and individuals due to the following reasons:

  • To facilitate our Service
  • To provide the Service on our behalf
  • To perform Service-related services
  • To assist us in analyzing how our Service is used

We want to inform our Service users that these third parties have no access to your Personal Information.

Security

We value your trust in providing us your Personal Information, thus we are striving to use commercially acceptable means of protecting it. But remember that no method of transmission over the internet, or method of electronic storage is 100% secure and reliable, and we cannot guarantee its absolute security.

Our Service may contain links to other sites. If you click on a third-party link, you will be directed to that site. Note that these external sites are not operated by us. Therefore, we strongly advise you to review the Privacy Policy of these websites, read more. We have no control over, and assume no responsibility for the content, privacy policies, or practices of any third-party sites or services.

Childrens Privacy

Our Services do not address anyone under the age of 13. We do not knowingly collect personal identifiable information from children under 13. In the case we discover that a child under 13 has provided us with personal information, we immediately delete this from our servers. If you are a parent or guardian and you are aware that your child has provided us with personal information, please contact us so that we will be able to do necessary actions.

Changes to This Privacy Policy

We may update our Privacy Policy from time to time. Thus, we advise you to review this page periodically for any changes. We will notify you of any changes by posting the new Privacy Policy on this page. These changes are effective immediately, after they are posted on this page.

Contact Us

If you have any questions or suggestions about our Privacy Policy, do not hesitate to contact us.