docs-matrix-spec/content/rooms/fragments/v4-event-ids.md
Kévin Commaille 3af77f0cb4
Fix the table of content for room versions (#1884)
* Fix ToC for room versions pages

Like for the cs-module shortcode, use .RenderShortcodes
instead of .Content for the rver-fragment shortcode,
so the headings are detected by Hugo.

Signed-off-by: Kévin Commaille <zecakeh@tedomum.fr>

* Change the way "this version" is detected in added-in and changed-in shortcodes

Now that we use .RenderShortcodes in the rver-fragment shortcode,
we cannot remove the output of these shortcodes dynamically
because they are replaced by a temporary placeholder due to Hugo's internals.

Instead, since the `this` parameter was only used for room version,
we always use the `v` parameter and compare with the version
provided in the page's front matter.

Signed-off-by: Kévin Commaille <zecakeh@tedomum.fr>

* Add changelog

Signed-off-by: Kévin Commaille <zecakeh@tedomum.fr>

* Add version front matter for v11

Signed-off-by: Kévin Commaille <zecakeh@tedomum.fr>

* Update changelogs/room_versions/newsfragments/1884.clarification

---------

Signed-off-by: Kévin Commaille <zecakeh@tedomum.fr>
Co-authored-by: Travis Ralston <travpc@gmail.com>
2024-06-20 15:47:09 +00:00

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Markdown

---
---
{{% added-in v=4 %}} The event ID is the [reference
hash](/server-server-api#calculating-the-reference-hash-for-an-event) of
the event encoded using a variation of [Unpadded
Base64](/appendices#unpadded-base64) which replaces the 62nd and
63rd characters with `-` and `_` instead of using `+` and `/`. This
matches [RFC4648's definition of URL-safe
base64](https://tools.ietf.org/html/rfc4648#section-5).
Event IDs are still prefixed with `$` and might result in looking like
`$Rqnc-F-dvnEYJTyHq_iKxU2bZ1CI92-kuZq3a5lr5Zg`.