From 7f2592fe4c540bf30c7612b2e15ea365018034bb Mon Sep 17 00:00:00 2001
From: David Biesack <DavidBiesack@gmail.com>
Date: Fri, 15 Mar 2024 19:39:14 -0400
Subject: [PATCH] Update GitHub actions to use Node 20, as per:

[GitHub Actions: Transitioning from Node 16 to Node 20](https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/)
---
 .github/workflows/node.js.yml     |  2 +-
 .github/workflows/npm-publish.yml |  4 ++--
 README.md                         | 19 +++++++++++--------
 3 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index c65dfbf..f563d2b 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x]
+        node-version: [16.x, 18.x, 20.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index 0667ecb..e2aecb2 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
       - run: npm ci
       - run: npm test
 
@@ -26,7 +26,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm publish --access public
diff --git a/README.md b/README.md
index 0fac95c..00260b4 100644
--- a/README.md
+++ b/README.md
@@ -217,9 +217,8 @@ Remove the `webhooks` object, if present.
 
 ### &DownArrowBar; JSON Schema related changes
 
-OAS 3.0 uses an earlier JSON Schema version (Draft 4). The tool convert `examples`
-in schemas
-to a single `example`.
+OAS 3.0 uses an earlier JSON Schema version (Draft 7). The tool converts `examples`
+in schemas to a single `example`.
 
 As a special case, if the resulting `example` includes an `id`, it is
 deleted if the `--delete-examples-with-id` CLI option is set.
@@ -321,7 +320,7 @@ be possible (`properties`, `allOf` etc.)
 
 The tool removes the `unevaluatedProperties` value, introduced in later
 versions of JSON Schema,
-as this is not supported in JSON Schema Draft 4
+as this is not supported in OAS 3.0 JSON Schema Draft 7
 used in OAS 3.0.
 
 ```yaml
@@ -447,10 +446,14 @@ format: binary
 Currently, the tool does not support the following situations.
 Contributions welcome!
 
-* `openapi-down-convert` does not convert `exclusiveMinimum` and `exclusiveMaximum`
-  as defined in JSON Schema 2012-12; these handled differently in JSON Schema Draft 4
-  used in OAS 3.0.
-* Webhooks are not addressed.
+* `openapi-down-convert` does not convert
+  `exclusiveMinimum` and
+  `exclusiveMaximum`,
+  `unevaluatedProperties`,
+  `patternProperties`
+  as defined in JSON Schema 2012-12; these are not supported in JSON Schema Draft 7
+  used in OAS 3.0
+* Webhooks are not removed. Contributions welcome!
 * The tool only supports self-contained documents. It does not follow or resolve
   external `$ref` documents embedded in the source document.
 * Request body and response body `content` object transformations, such as