Merge branch 'main' of github.com:sourcemeta/learnjsonschema.com

Author: jviotti

.devcontainer/devcontainer.json

@@ -0,0 +1,18 @@
+{
+  "name": "hugo extended install for learnjsonschema.com",
+  "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
+  "features": {
+    "ghcr.io/devcontainers/features/hugo:1": {
+      "version": "latest",
+      "extended": true
+    },
+    "ghcr.io/devcontainers/features/node": {
+      "version": "lts",
+      "installNpm": true
+    }
+  },
+  "forwardPorts": [
+    1313
+  ],
+  "postCreateCommand": "npm i"
+}

content/2019-09/validation/enum.markdown

@@ -1,7 +1,7 @@
 ---
 keyword: "enum"
 signature: "Array<Any>"
-value: This keyword must be set to a *non-empty* array of unique JSON values
+value: This keyword must be set to an array of unique JSON values
 summary: "Validation succeeds if the instance is equal to one of the elements in this keyword's array value."
 kind: [ "assertion" ]
 instance: [ "any" ]

content/2020-12/validation/enum.markdown

@@ -1,7 +1,7 @@
 ---
 keyword: "enum"
 signature: "Array<Any>"
-value: This keyword must be set to a *non-empty* array of unique JSON values
+value: This keyword must be set to an array of unique JSON values
 summary: "Validation succeeds if the instance is equal to one of the elements in this keyword's array value."
 kind: [ "assertion" ]
 instance: [ "any" ]
@@ -11,6 +11,8 @@ tests:
   - draft2020-12/enum.json
 index: -99998
 introduced_in: draft1
+changed_in:
+  - 2019-09
 related:
   - vocabulary: validation
     keyword: const