doc, tools: unify stability signatures

PR-URL: #20552
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

doc/api/documentation.md

@@ -34,24 +34,24 @@ and in the process of being redesigned.
 
 The stability indices are as follows:
 
-```txt
-Stability: 0 - Deprecated. This feature is known to be problematic, and changes
-may be planned. Do not rely on it. Use of the feature may cause warnings to be
-emitted. Backwards compatibility across major versions should not be expected.
-```
-
-```txt
-Stability: 1 - Experimental. This feature is still under active development and
-subject to non-backwards compatible changes, or even removal, in any future
-version. Use of the feature is not recommended in production environments.
-Experimental features are not subject to the Node.js Semantic Versioning model.
-```
-
-```txt
-Stability: 2 - Stable. The API has proven satisfactory. Compatibility with the
-npm ecosystem is a high priority, and will not be broken unless absolutely
-necessary.
-```
+> Stability: 0 - Deprecated. This feature is known to be problematic, and
+> changes may be planned. Do not rely on it. Use of the feature may cause
+> warnings to be emitted. Backwards compatibility across major versions should
+> not be expected.
+
+<!-- separator -->
+
+> Stability: 1 - Experimental. This feature is still under active development
+> and subject to non-backwards compatible changes, or even removal, in any
+> future version. Use of the feature is not recommended in production
+> environments. Experimental features are not subject to the Node.js Semantic
+> Versioning model.
+
+<!-- separator -->
+
+> Stability: 2 - Stable. The API has proven satisfactory. Compatibility with the
+> npm ecosystem is a high priority, and will not be broken unless absolutely
+> necessary.
 
 Caution must be used when making use of `Experimental` features, particularly
 within modules that may be used as dependencies (or dependencies of

tools/doc/html.js

@@ -256,8 +256,7 @@ function preprocessElements(input) {
       state = null;
       return;
     }
-    if ((tok.type === 'paragraph' && state === 'MAYBE_STABILITY_BQ') ||
-      tok.type === 'code') {
+    if (tok.type === 'paragraph' && state === 'MAYBE_STABILITY_BQ') {
       if (tok.text.match(/Stability:.*/g)) {
         const stabilityMatch = tok.text.match(STABILITY_TEXT_REG_EXP);
         const stability = Number(stabilityMatch[2]);