Add proper-names rule to .markdownlint.json, update tests to use that file, fix resulting issues.

.markdownlint.json

@@ -1,8 +1,16 @@
 {
   "line-length": false,
-  "no-inline-html": {
-    "allowed_elements": [
-      "a"
+  "no-duplicate-heading": false,
+  "proper-names": {
+    "code_blocks": false,
+    "names": [
+      "Cake.Markdownlint",
+      "CommonMark",
+      "JavaScript",
+      "Markdown",
+      "markdown-it",
+      "markdownlint",
+      "Node.js"
     ]
   }
 }

doc/Rules.md

@@ -331,7 +331,7 @@ Rationale: Indenting by 2 spaces allows the content of a nested list to be in
 line with the start of the content of the parent list when a single space is
 used after the list marker. Indenting by 4 spaces is consistent with code blocks
 and simpler for editors to implement. Additionally, this can be a compatibility
-issue for multi-markdown parsers, which require 4-space indents. More information:
+issue for other Markdown parsers, which require 4-space indents. More information:
 <https://cirosantilli.com/markdown-style-guide#indentation-of-content-inside-lists>
 and <http://support.markedapp.com/discussions/problems/21-sub-lists-not-indenting>.
 
@@ -1360,7 +1360,7 @@ The use of quotes around a bare link will *not* trigger this rule, either:
 ```
 
 Rationale: Without angle brackets, the URL isn't converted into a link by many
-markdown parsers.
+Markdown parsers.
 
 <a name="md035"></a>
 

example/typescript/type-check.ts

@@ -11,11 +11,6 @@ assert(/^\d+\.\d+\.\d+$/.test(version));
 function assertConfiguration(config: markdownlint.Configuration) {
   assert(!!config);
   assert.equal(config["line-length"], false);
-  assert.deepEqual(config["no-inline-html"], {
-    "allowed_elements": [
-      "a"
-    ]
-  });
   // config assignment is covered by markdownlint.Options
 }
 

test/markdownlint-test.js

@@ -83,10 +83,7 @@ test.cb("projectFilesNoInlineConfig", (t) => {
       "doc/Prettier.md",
       "helpers/README.md"
     ],
-    "config": {
-      "line-length": { "line_length": 150 },
-      "no-duplicate-heading": false
-    },
+    "config": require("../.markdownlint.json"),
     "customRules": [ require("markdownlint-rule-github-internal-links") ],
     "noInlineConfig": true
   };
@@ -109,7 +106,8 @@ test.cb("projectFilesInlineConfig", (t) => {
   const options = {
     "files": [ "doc/Rules.md" ],
     "config": {
-      "no-inline-html": false
+      "no-inline-html": false,
+      ...require("../.markdownlint.json")
     }
   };
   markdownlint(options, function callback(err, actual) {