Update MD053/link-image-reference-definitions to add ignored_definitions parameter (default to ["//"]) (fixes #545).

test/snapshots/markdownlint-test-scenarios.js.md

@@ -33768,7 +33768,7 @@ Generated by [AVA](https://avajs.dev).
             25,
           ],
           fixInfo: null,
-          lineNumber: 196,
+          lineNumber: 202,
           ruleDescription: 'Reference links and images should use a label that is defined',
           ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md052',
           ruleNames: [
@@ -33784,7 +33784,7 @@ Generated by [AVA](https://avajs.dev).
             10,
           ],
           fixInfo: null,
-          lineNumber: 210,
+          lineNumber: 216,
           ruleDescription: 'Reference links and images should use a label that is defined',
           ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md052',
           ruleNames: [
@@ -33802,7 +33802,7 @@ Generated by [AVA](https://avajs.dev).
           fixInfo: {
             deleteCount: -1,
           },
-          lineNumber: 172,
+          lineNumber: 178,
           ruleDescription: 'Link and image reference definitions should be needed',
           ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md053',
           ruleNames: [
@@ -33820,7 +33820,7 @@ Generated by [AVA](https://avajs.dev).
           fixInfo: {
             deleteCount: -1,
           },
-          lineNumber: 175,
+          lineNumber: 181,
           ruleDescription: 'Link and image reference definitions should be needed',
           ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md053',
           ruleNames: [
@@ -33838,7 +33838,7 @@ Generated by [AVA](https://avajs.dev).
           fixInfo: {
             deleteCount: -1,
           },
-          lineNumber: 178,
+          lineNumber: 184,
           ruleDescription: 'Link and image reference definitions should be needed',
           ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md053',
           ruleNames: [
@@ -33854,7 +33854,7 @@ Generated by [AVA](https://avajs.dev).
             44,
           ],
           fixInfo: null,
-          lineNumber: 180,
+          lineNumber: 186,
           ruleDescription: 'Link and image reference definitions should be needed',
           ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md053',
           ruleNames: [
@@ -33870,7 +33870,7 @@ Generated by [AVA](https://avajs.dev).
             44,
           ],
           fixInfo: null,
-          lineNumber: 183,
+          lineNumber: 189,
           ruleDescription: 'Link and image reference definitions should be needed',
           ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md053',
           ruleNames: [
@@ -34047,6 +34047,12 @@ Generated by [AVA](https://avajs.dev).
       [unique6]: https://example.com/unique6␊
       [unique7]: https://example.com/unique7␊
       ␊
+      ## Ignored Labels␊
+      ␊
+      [//]: # (This is a technique for putting comments in Markdown)␊
+      ␊
+      [//]: <> (Here is another variant)␊
+      ␊
       ## Invalid Labels␊
       ␊
       Duplicate:␊
@@ -34089,6 +34095,107 @@ Generated by [AVA](https://avajs.dev).
       `,
     }
 
+## reference-links-ignored-definitions-empty.md
+
+> Snapshot 1
+
+    {
+      errors: [
+        {
+          errorContext: '[oops]: https://example.com/{M...',
+          errorDetail: 'Unused link or image reference definition: "oops"',
+          errorRange: [
+            1,
+            35,
+          ],
+          fixInfo: {
+            deleteCount: -1,
+          },
+          lineNumber: 6,
+          ruleDescription: 'Link and image reference definitions should be needed',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md053',
+          ruleNames: [
+            'MD053',
+            'link-image-reference-definitions',
+          ],
+        },
+        {
+          errorContext: '[//]: <> ({MD053})',
+          errorDetail: 'Unused link or image reference definition: "//"',
+          errorRange: [
+            1,
+            18,
+          ],
+          fixInfo: {
+            deleteCount: -1,
+          },
+          lineNumber: 7,
+          ruleDescription: 'Link and image reference definitions should be needed',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md053',
+          ruleNames: [
+            'MD053',
+            'link-image-reference-definitions',
+          ],
+        },
+      ],
+      fixed: `# Reference Links Ignored Definitions (Empty)␊
+      ␊
+      Used reference link: [label]␊
+      ␊
+      [label]: https://example.com/label␊
+      ␊
+      <!-- markdownlint-configure-file {␊
+        "link-image-reference-definitions": {␊
+          "ignored_definitions": []␊
+        }␊
+      } -->␊
+      `,
+    }
+
+## reference-links-ignored-definitions.md
+
+> Snapshot 1
+
+    {
+      errors: [
+        {
+          errorContext: '[oops]: https://example.com/{M...',
+          errorDetail: 'Unused link or image reference definition: "oops"',
+          errorRange: [
+            1,
+            35,
+          ],
+          fixInfo: {
+            deleteCount: -1,
+          },
+          lineNumber: 6,
+          ruleDescription: 'Link and image reference definitions should be needed',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md053',
+          ruleNames: [
+            'MD053',
+            'link-image-reference-definitions',
+          ],
+        },
+      ],
+      fixed: `# Reference Links Ignored Definitions␊
+      ␊
+      Used reference link: [label]␊
+      ␊
+      [label]: https://example.com/label␊
+      [okay]: https://example.com/ignored␊
+      [yep]: https://example.com/ignored␊
+      ␊
+      <!-- markdownlint-configure-file {␊
+        "link-image-reference-definitions": {␊
+          "ignored_definitions": [␊
+            "okay",␊
+            "yep"␊
+          ]␊
+        }␊
+      } -->␊
+      `,
+    }
+
 ## required-headings-all-optional-at-least-one.md
 
 > Snapshot 1