Merging upstream version 1.74.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 13 insertions, 1 deletions

diff --git a/src/librustdoc/markdown.rs b/src/librustdoc/markdown.rs
index 526eea304..b74a9392f 100644
--- a/src/librustdoc/markdown.rs
+++ b/src/librustdoc/markdown.rs
@@ -80,6 +80,8 @@ pub(crate) fn render<P: AsRef<Path>>(
             error_codes,
             edition,
             playground: &playground,
+            // For markdown files, it'll be disabled until the feature is enabled by default.
+            custom_code_classes_in_docs: false,
         }
         .into_string()
     } else {
@@ -91,6 +93,8 @@ pub(crate) fn render<P: AsRef<Path>>(
             edition,
             playground: &playground,
             heading_offset: HeadingOffset::H1,
+            // For markdown files, it'll be disabled until the feature is enabled by default.
+            custom_code_classes_in_docs: false,
         }
         .into_string()
     };
@@ -154,7 +158,15 @@ pub(crate) fn test(options: Options) -> Result<(), String> {
     collector.set_position(DUMMY_SP);
     let codes = ErrorCodes::from(options.unstable_features.is_nightly_build());
 
-    find_testable_code(&input_str, &mut collector, codes, options.enable_per_target_ignores, None);
+    // For markdown files, custom code classes will be disabled until the feature is enabled by default.
+    find_testable_code(
+        &input_str,
+        &mut collector,
+        codes,
+        options.enable_per_target_ignores,
+        None,
+        false,
+    );
 
     crate::doctest::run_tests(options.test_args, options.nocapture, collector.tests);
     Ok(())