tools: update: eslint-plugin-markdown@1.0.0-beta.7

* Remove pinning of eslint-plugin-markdown

  An issue affecting Node.js source has been fixed in
  eslint-plugin-markdown so we don't need to pin it to beta-4 anymore.

  Refs: eslint/markdown#69

* Update eslint-plugin-markdown up to 1.0.0-beta.7

* Fix docs for eslint-plugin-markdown@1.0.0-beta.7

PR-URL: #14047
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

doc/api/dns.md

@@ -65,7 +65,7 @@ section if a custom port is used.
 
 For example:
 
-<!-- eslint-disable -->
+<!-- eslint-disable semi-->
 ```js
 [
   '4.4.4.4',
@@ -314,7 +314,7 @@ function will contain an array of objects with the following properties:
 
 For example:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   flags: 's',
@@ -374,7 +374,7 @@ be an object with the following properties:
 * `expire`
 * `minttl`
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   nsname: 'ns.example.com',
@@ -405,7 +405,7 @@ be an array of objects with the following properties:
 * `port`
 * `name`
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   priority: 10,
@@ -459,12 +459,12 @@ will be present on the object:
 
 Here is a example of the `ret` object passed to the callback:
 
-<!-- eslint-disable -->
+<!-- eslint-disable semi -->
 ```js
 [ { type: 'A', address: '127.0.0.1', ttl: 299 },
   { type: 'CNAME', value: 'example.com' },
   { type: 'MX', exchange: 'alt4.aspmx.l.example.com', priority: 50 },
-  { type: 'NS', value: 'ns1.example.com', type: 'NS' },
+  { type: 'NS', value: 'ns1.example.com' },
   { type: 'TXT', entries: [ 'v=spf1 include:_spf.example.com ~all' ] },
   { type: 'SOA',
     nsname: 'ns1.example.com',

doc/api/http.md

@@ -12,7 +12,7 @@ user is able to stream data.
 
 HTTP message headers are represented by an object like this:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 { 'content-length': '123',
   'content-type': 'text/plain',

doc/api/os.md

@@ -254,7 +254,7 @@ The properties available on the assigned network address object include:
 * `scopeid` {number} The numeric IPv6 scope ID (only specified when `family`
   is `IPv6`)
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   lo: [

doc/api/process.md

@@ -528,7 +528,7 @@ running the `./configure` script.
 
 An example of the possible output looks like:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   target_defaults:
@@ -792,7 +792,7 @@ See environ(7).
 
 An example of this object looks like:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   TERM: 'xterm-256color',
@@ -1224,7 +1224,7 @@ console.log(process.memoryUsage());
 
 Will generate:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   rss: 4935680,
@@ -1396,7 +1396,7 @@ tarball.
 
 For example:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   name: 'node',
@@ -1758,7 +1758,7 @@ console.log(process.versions);
 
 Will generate an object similar to:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   http_parser: '2.3.0',

doc/api/querystring.md

@@ -59,7 +59,7 @@ collection of key and value pairs.
 
 For example, the query string `'foo=bar&abc=xyz&abc=123'` is parsed into:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   foo: 'bar',

doc/api/repl.md

@@ -40,7 +40,7 @@ The following special commands are supported by all REPL instances:
   `> .load ./file/to/load.js`
 * `.editor` - Enter editor mode (`<ctrl>-D` to finish, `<ctrl>-C` to cancel)
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 > .editor
 // Entering editor mode (^D to finish, ^C to cancel)
@@ -76,7 +76,7 @@ evaluation function when the `repl.REPLServer` instance is created.
 
 The default evaluator supports direct evaluation of JavaScript expressions:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 > 1 + 1
 2
@@ -105,7 +105,7 @@ repl.start('> ').context.m = msg;
 
 Properties in the `context` object appear as local within the REPL:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 $ node repl_test.js
 > m
@@ -135,7 +135,7 @@ REPL environment when used. For instance, unless otherwise declared as a
 global or scoped variable, the input `fs` will be evaluated on-demand as
 `global.fs = require('fs')`.
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 > fs.createReadStream('./some/file');
 ```
@@ -146,7 +146,7 @@ The default evaluator will, by default, assign the result of the most recently
 evaluated expression to the special variable `_` (underscore).
 Explicitly setting `_` to a value will disable this behavior.
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 > [ 'a', 'b', 'c' ]
 [ 'a', 'b', 'c' ]
@@ -293,7 +293,7 @@ r.on('reset', initializeContext);
 When this code is executed, the global `'m'` variable can be modified but then
 reset to its initial value using the `.clear` command:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 $ ./node example.js
 > m
@@ -443,7 +443,7 @@ Node.js itself uses the `repl` module to provide its own interactive interface
 for executing JavaScript. This can be used by executing the Node.js binary
 without passing any arguments (or by passing the `-i` argument):
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 $ node
 > const a = [1, 2, 3];

doc/api/v8.md

@@ -116,7 +116,7 @@ swapped out by the operating system.
 
 For example:
 
-<!-- eslint-disable -->
+<!-- eslint-skip -->
 ```js
 {
   total_heap_size: 7326976,