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fix: rename incorrectly documented target-spec-json to json-target-sp… #16905

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weihanglo merged 1 commit into from
Apr 18, 2026
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fix: rename incorrectly documented target-spec-json to json-target-sp… #16905

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8 changes: 4 additions & 4 deletions src/doc/src/reference/unstable.md
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Original file line number Diff line number Diff line change
Expand Up @@ -100,7 +100,7 @@ Each new feature described below should explain how to use it.
* [panic-immediate-abort](#panic-immediate-abort) --- Passes `-Cpanic=immediate-abort` to the compiler.
* [compile-time-deps](#compile-time-deps) --- Perma-unstable feature for rust-analyzer
* [fine-grain-locking](#fine-grain-locking) --- Use fine grain locking instead of locking the entire build cache
* [target-spec-json](#target-spec-json) --- Allows the use of `.json` custom target specs.
* [json-target-spec](#json-target-spec) --- Allows the use of `.json` custom target specs.
* rustdoc
* [rustdoc-map](#rustdoc-map) --- Provides mappings for documentation to link to external sites like [docs.rs](https://docs.rs/).
* [scrape-examples](#scrape-examples) --- Shows examples within documentation.
Expand Down Expand Up @@ -2018,13 +2018,13 @@ so that `cargo doc` can merge cross-crate information
from separate output directories,
and run `rustdoc` in parallel.

## target-spec-json
## json-target-spec
* Tracking Issue: [rust-lang/rust#151528](https://github.com/rust-lang/rust/issues/151528)

The `-Z target-spec-json` CLI flag enables the ability to use [custom target spec JSON files](https://doc.rust-lang.org/nightly/rustc/targets/custom.html) as a target.
The `-Z json-target-spec` CLI flag enables the ability to use [custom target spec JSON files](https://doc.rust-lang.org/nightly/rustc/targets/custom.html) as a target.

```console
cargo +nightly build --target my-target.json -Z target-spec-json
cargo +nightly build --target my-target.json -Z json-target-spec
```

This usually must be combined with [build-std](#build-std).
Expand Down