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GitTags & repository configuration

Identify a commit exactly at a release tag

Git: Describe with exact-match refuses to invent a label for a later commit.

Git✓ Tested
HTMLAccessible structure

Identify a search region with the search element

HTML: The native search element exposes a search landmark in supporting browsers.

HTML✓ Tested
HTMLTables & list numbering

Identify headers for individual table rows

HTML: Scope row associates the first header cell with the data cells in that row.

HTML✓ Tested
HTMLAccessible structure

Identify the current page in a breadcrumb

HTML: An ordered breadcrumb list sits inside a named navigation region, with aria-current on the current location.

HTML✓ Tested
GitGetting Started

Identify the current practice branch

Git: Identify the current practice branch inside the disposable repository created by the input setup.

Git✓ Tested
HTMLForm behavior

Identify the selected submit action

HTML: Each submit button can supply its own named value for the same form.

HTML✓ Tested
HTMLText semantics

Identify the title of a cited work

HTML: Cite marks the title of a work rather than the name of its author.

HTML✓ Tested
Arduino / CSensor calculations

Ignore small movements around a center value

Arduino / C: Values inside the deadband become zero while others keep their direction.

Arduino / C✓ Tested
RustFunctions & data types

Implement a method on a struct

Implement a method on a struct in a complete Rust program using the standard library.

Rust✓ Tested
HTMLForm behavior

Include a nonvisible value in form data

HTML: A named hidden input contributes data without adding a visible editing control.

HTML✓ Tested
GoConcurrency & cancellation

Increment an atomic counter

Increment an atomic counter using a complete Go program with explicit sample inputs.

Go✓ Tested
GoConcurrency & cancellation

Initialize a resource only once

Initialize a resource only once using a complete Go program with explicit sample inputs.

Go✓ Tested