Rename INVALID_RUST_CODEBLOCK{,S}

Author: jyn514

src/doc/rustdoc/src/lints.md

@@ -294,7 +294,7 @@ warning: unclosed HTML tag `h1`
 warning: 2 warnings emitted
 ```
 
-## invalid_rust_codeblock
+## invalid_rust_codeblocks
 
 This lint **warns by default**. It detects Rust code blocks in documentation
 examples that are invalid (e.g. empty, not parsable as Rust). For example:
@@ -322,7 +322,7 @@ warning: Rust code block is empty
 4 | | /// ```
 | |_______^
 |
-= note: `#[warn(rustdoc::invalid_rust_codeblock)]` on by default
+= note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
 
 warning: Rust code block is empty
 --> src/lib.rs:8:5

src/librustdoc/lint.rs

@@ -158,13 +158,13 @@ declare_rustdoc_lint! {
 }
 
 declare_rustdoc_lint! {
-   /// The `invalid_rust_codeblock` lint detects Rust code blocks in
+   /// The `invalid_rust_codeblocks` lint detects Rust code blocks in
    /// documentation examples that are invalid (e.g. empty, not parsable as
    /// Rust code). This is a `rustdoc` only lint, see the documentation in the
    /// [rustdoc book].
    ///
-   /// [rustdoc book]: ../../../rustdoc/lints.html#invalid_rust_codeblock
-   INVALID_RUST_CODEBLOCK,
+   /// [rustdoc book]: ../../../rustdoc/lints.html#invalid_rust_codeblocks
+   INVALID_RUST_CODEBLOCKS,
    Warn,
    "codeblock could not be parsed as valid Rust or is empty"
 }
@@ -176,7 +176,7 @@ crate static RUSTDOC_LINTS: Lazy<Vec<&'static Lint>> = Lazy::new(|| {
         MISSING_DOC_CODE_EXAMPLES,
         PRIVATE_DOC_TESTS,
         INVALID_CODEBLOCK_ATTRIBUTES,
-        INVALID_RUST_CODEBLOCK,
+        INVALID_RUST_CODEBLOCKS,
         INVALID_HTML_TAGS,
         BARE_URLS,
         MISSING_CRATE_LEVEL_DOCS,

src/librustdoc/passes/check_code_block_syntax.rs

@@ -123,7 +123,7 @@ impl<'a, 'tcx> SyntaxChecker<'a, 'tcx> {
         // All points of divergence have been handled earlier so this can be
         // done the same way whether the span is precise or not.
         self.cx.tcx.struct_span_lint_hir(
-            crate::lint::INVALID_RUST_CODEBLOCK,
+            crate::lint::INVALID_RUST_CODEBLOCKS,
             hir_id,
             sp,
             diag_builder,

src/test/rustdoc-ui/ignore-block-help.stderr

@@ -7,7 +7,7 @@ LL | | /// let heart = '❤️';
 LL | | /// ```
    | |_______^
    |
-   = note: `#[warn(rustdoc::invalid_rust_codeblock)]` on by default
+   = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
 help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
   --> $DIR/ignore-block-help.rs:3:5
    |

src/test/rustdoc-ui/invalid-syntax.stderr

@@ -7,7 +7,7 @@ LL | | /// \__________pkt->size___________/          \_result->size_/ \__pkt->si
 LL | | /// ```
    | |_______^
    |
-   = note: `#[warn(rustdoc::invalid_rust_codeblock)]` on by default
+   = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
    = note: error from rustc: unknown start of token: \
    = note: error from rustc: unknown start of token: \
    = note: error from rustc: unknown start of token: \