doc: use code markup/markdown in headers in globals documentation

Backport-PR-URL: #31108
PR-URL: #31086
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

doc/api/globals.md

@@ -17,7 +17,7 @@ The objects listed here are specific to Node.js. There are [built-in objects][]
 that are part of the JavaScript language itself, which are also globally
 accessible.
 
-## Class: Buffer
+## Class: `Buffer`
 <!-- YAML
 added: v0.1.103
 -->
@@ -28,15 +28,15 @@ added: v0.1.103
 
 Used to handle binary data. See the [buffer section][].
 
-## \_\_dirname
+## `__dirname`
 
 This variable may appear to be global but is not. See [`__dirname`][].
 
-## \_\_filename
+## `__filename`
 
 This variable may appear to be global but is not. See [`__filename`][].
 
-## clearImmediate(immediateObject)
+## `clearImmediate(immediateObject)`
 <!-- YAML
 added: v0.9.1
 -->
@@ -45,7 +45,7 @@ added: v0.9.1
 
 [`clearImmediate`][] is described in the [timers][] section.
 
-## clearInterval(intervalObject)
+## `clearInterval(intervalObject)`
 <!-- YAML
 added: v0.0.1
 -->
@@ -54,7 +54,7 @@ added: v0.0.1
 
 [`clearInterval`][] is described in the [timers][] section.
 
-## clearTimeout(timeoutObject)
+## `clearTimeout(timeoutObject)`
 <!-- YAML
 added: v0.0.1
 -->
@@ -63,7 +63,7 @@ added: v0.0.1
 
 [`clearTimeout`][] is described in the [timers][] section.
 
-## console
+## `console`
 <!-- YAML
 added: v0.1.100
 -->
@@ -74,11 +74,11 @@ added: v0.1.100
 
 Used to print to stdout and stderr. See the [`console`][] section.
 
-## exports
+## `exports`
 
 This variable may appear to be global but is not. See [`exports`][].
 
-## global
+## `global`
 <!-- YAML
 added: v0.1.27
 -->
@@ -92,11 +92,11 @@ within the browser `var something` will define a new global variable. In
 Node.js this is different. The top-level scope is not the global scope;
 `var something` inside a Node.js module will be local to that module.
 
-## module
+## `module`
 
 This variable may appear to be global but is not. See [`module`][].
 
-## process
+## `process`
 <!-- YAML
 added: v0.1.7
 -->
@@ -107,7 +107,7 @@ added: v0.1.7
 
 The process object. See the [`process` object][] section.
 
-## queueMicrotask(callback)
+## `queueMicrotask(callback)`
 <!-- YAML
 added: v11.0.0
 -->
@@ -146,11 +146,11 @@ DataHandler.prototype.load = async function load(key) {
 };
 ```
 
-## require()
+## `require()`
 
 This variable may appear to be global but is not. See [`require()`][].
 
-## setImmediate(callback\[, ...args\])
+## `setImmediate(callback[, ...args])`
 <!-- YAML
 added: v0.9.1
 -->
@@ -159,7 +159,7 @@ added: v0.9.1
 
 [`setImmediate`][] is described in the [timers][] section.
 
-## setInterval(callback, delay\[, ...args\])
+## `setInterval(callback, delay[, ...args])`
 <!-- YAML
 added: v0.0.1
 -->
@@ -168,7 +168,7 @@ added: v0.0.1
 
 [`setInterval`][] is described in the [timers][] section.
 
-## setTimeout(callback, delay\[, ...args\])
+## `setTimeout(callback, delay[, ...args])`
 <!-- YAML
 added: v0.0.1
 -->
@@ -177,7 +177,7 @@ added: v0.0.1
 
 [`setTimeout`][] is described in the [timers][] section.
 
-## TextDecoder
+## `TextDecoder`
 <!-- YAML
 added: v11.0.0
 -->
@@ -186,7 +186,7 @@ added: v11.0.0
 
 The WHATWG `TextDecoder` class. See the [`TextDecoder`][] section.
 
-## TextEncoder
+## `TextEncoder`
 <!-- YAML
 added: v11.0.0
 -->
@@ -195,7 +195,7 @@ added: v11.0.0
 
 The WHATWG `TextEncoder` class. See the [`TextEncoder`][] section.
 
-## URL
+## `URL`
 <!-- YAML
 added: v10.0.0
 -->
@@ -204,7 +204,7 @@ added: v10.0.0
 
 The WHATWG `URL` class. See the [`URL`][] section.
 
-## URLSearchParams
+## `URLSearchParams`
 <!-- YAML
 added: v10.0.0
 -->
@@ -213,7 +213,7 @@ added: v10.0.0
 
 The WHATWG `URLSearchParams` class. See the [`URLSearchParams`][] section.
 
-## WebAssembly
+## `WebAssembly`
 <!-- YAML
 added: v8.0.0
 -->