Fix sentences running together

Closes GH-1414

Reviewed-by: Christian Murphy <[email protected]>

docs/404.mdx

@@ -1,3 +1,3 @@
 # 404
 
-Page not found.[Return Home](/)
+Page not found. [Return Home](/)

docs/about.mdx

@@ -1,7 +1,7 @@
 # About
 
 MDX is based on the [original `.mdx` proposal][idea] by Guillermo Rauch
-([@rauchg][rauchg]).Its syntax is defined by an official [specification][].
+([@rauchg][rauchg]). Its syntax is defined by an official [specification][].
 The source code for MDX is available on [GitHub][] and is [MIT licensed][license].
 
 The project is governed by the [unified collective][governance].

docs/advanced/components.mdx

@@ -51,14 +51,14 @@ documents via the [MDXProvider](#mdxprovider).
 ### Layout props
 
 You’ll also notice that `layoutProps` is created based on your exports
-and then passed to the wrapper.This allows for the wrapper to use
+and then passed to the wrapper. This allows for the wrapper to use
 those props automatically for handling things like adding an author
 bio to the wrapped document.
 
 ## `makeShortcode`
 
 There is one other function added to the compiled output: `makeShortcode`.
-This is added for [shortcode support](/blog/shortcodes).It’s used in order
+This is added for [shortcode support](/blog/shortcodes). It’s used in order
 to stub any components that aren’t directly imported so that there won’t be
 any `ReferenceError`s. If they’re passed to the `MDXProvider`, the custom
 JSX pragma will pull the component from context and use that in place of the
@@ -102,9 +102,9 @@ export default () => (
 ### Caveats
 
 Because MDXProvider uses React Context directly, it is affected by
-the same caveats.It is therefore important that you do not declare
-your components mapping inline in the JSX.Doing so will trigger a rerender
-of your entire MDX page with every render cycle.Not only is this bad for
+the same caveats. It is therefore important that you do not declare
+your components mapping inline in the JSX. Doing so will trigger a rerender
+of your entire MDX page with every render cycle. Not only is this bad for
 performance, but it can cause unwanted side affects, like breaking in-page
 browser navigation.
 

docs/advanced/transform-content.mdx

@@ -6,7 +6,7 @@ are many utilities you can use to work with MDX.
 
 You can utilize [to-vfile][] to read and write MDX files
 and you can leverage [remark][] and [remark-mdx][]
-to parse and process MDX content.The remark-mdx library is a parsing
+to parse and process MDX content. The remark-mdx library is a parsing
 extension to enhance the Markdown [AST][] to understand MDX
 (resulting in [MDXAST][]), giving you access and insight to MDX
 attributes, namely imports, exports, and jsx.

docs/blog/custom-pragma.mdx

@@ -4,7 +4,7 @@
 
 `MDXTag`, for those that aren’t aware, is a critical piece in the way
 MDX replaces HTML primitives like `<pre>` and `<h1>` with custom React
-Components.[I’ve previously
+Components. [I’ve previously
 written](https://www.christopherbiscardi.com/post/codeblocks-mdx-and-mdx-utils)
 about the way `MDXTag` works when trying to replace the `<pre>` tag
 with a custom code component.
@@ -39,7 +39,7 @@ exports.preToCodeBlock = preProps => {
 ```
 
 So `MDXTag` is a real Component in the middle of all of the other MDX
-rendered elements.All of the code is included here for reference.
+rendered elements. All of the code is included here for reference.
 
 ```js
 import React, {Component} from 'react'
@@ -86,7 +86,7 @@ export default withMDXComponents(MDXTag)
 
 `MDXTag` is used in the [mdx-hast-to-jsx
 conversion](https://github.com/mdx-js/mdx/blob/e1bcf1b1a352c9728424b01c1bb5d62e450eb48d/packages/mdx/mdx-hast-to-jsx.js#L163-L165),
-which is the final step in the MDX AST pipeline.Every renderable
+which is the final step in the MDX AST pipeline. Every renderable
 element is wrapped in an `MDXTag`, and `MDXTag` handles rendering the
 element later.
 
@@ -171,12 +171,12 @@ wrapping `MDXTag`.
 
 Now that we’ve cleaned up the intermediary representation, we need to
 make sure that we have the same functionality as the old
-`MDXTag`.This is done through a custom `createElement`
-implementation.Typically when using React, we use
-`React.createElement` to render the elements on screen.This is even
+`MDXTag`. This is done through a custom `createElement`
+implementation. Typically when using React, we use
+`React.createElement` to render the elements on screen. This is even
 true if you’re using JSX because JSX tags such as `<div>` compile to
-`createElement` calls.So this time instead of using
-`React.createElement` we’ll be using our own.[Check it out in the MDX
+`createElement` calls. So this time instead of using
+`React.createElement` we’ll be using our own. [Check it out in the MDX
 repo](https://github.com/mdx-js/mdx/blob/0506708bed0ac787f605b0a97ef77d1954fa1275/packages/react/src/create-element.js)
 
 Reproduced here is our `createElement` function and the logic for how
@@ -220,7 +220,7 @@ export default function (type, props) {
 
 One really cool application of the new output format using a custom
 `createElement` is that we can now write versions of it for Vue and
-other frameworks.Since the pragma insertion is the responsibility of
+other frameworks. Since the pragma insertion is the responsibility of
 the webpack (or other bundlers) loader, swapping the pragma can be an
 option in mdx-loader as long as we have a Vue `createElement` to point
 to.

docs/blog/shortcodes.mdx

@@ -4,9 +4,9 @@ import {Button} from '@rebass/emotion'
 
 # Shortcodes
 
-An exciting new feature in MDX v1 is global shortcodes.This
+An exciting new feature in MDX v1 is global shortcodes. This
 allows you to expose components to all of your documents in
-your app or website.This is a useful feature for common
+your app or website. This is a useful feature for common
 components like YouTube embeds, Twitter cards, or anything
 else frequently used in your documents.
 
@@ -27,7 +27,7 @@ export default ({children}) => (
 ```
 
 Then, any MDX document that’s wrapped in `App` has access to
-`YouTube`, `Twitter`, and `TomatoBox`.Shortcodes are nothing
+`YouTube`, `Twitter`, and `TomatoBox`. Shortcodes are nothing
 more than components, so you can reference them anywhere in an
 MDX document with JSX.
 

docs/blog/v1.mdx

@@ -6,11 +6,11 @@
 # MDX goes stable
 
 It’s been a year and a half since the first MDX commit and a year since MDX was first announced at
-ZEIT Day.MDX is a radical paradigm shift in how to write immersive content using components.It’s
+ZEIT Day. MDX is a radical paradigm shift in how to write immersive content using components. It’s
 an open, [authorable format](https://johno.com/authorable-format) that makes it _fun_ to write again.
 
 Since announcing MDX we’ve been working on numerous bug fixes, new features, better parsing, and integration
-tests.Now, we think it’s ready.**We’re happy to finally release v1!**
+tests. Now, we think it’s ready. **We’re happy to finally release v1!**
 
 ## 🎉 What’s new?
 
@@ -26,11 +26,11 @@ Please open an issue if you find a case we haven’t covered!😸
 
 ### remark-mdx
 
-`remark-mdx` is the syntactic extension for MDX in remark.It provides the parsing functionality for
-MDX as a _[remark](https://github.com/remarkjs/remark) plugin_.That sounds a bit meta.What it means
+`remark-mdx` is the syntactic extension for MDX in remark. It provides the parsing functionality for
+MDX as a _[remark](https://github.com/remarkjs/remark) plugin_. That sounds a bit meta. What it means
 is that before we had the syntax parsing bits _in_ the library (unusable from the outside), and now it’s
-externalized (usable from the outside).This is useful if you want to inspect or transform MDX documents.
-For example, it allows tools like prettier to use the exact same parser used by MDX core.Or you could
+externalized (usable from the outside). This is useful if you want to inspect or transform MDX documents.
+For example, it allows tools like prettier to use the exact same parser used by MDX core. Or you could
 use `remark-mdx` in combination with [remark-lint](https://github.com/remarkjs/remark-lint) to check your
 MDX.
 
@@ -61,9 +61,9 @@ improving the docs and updating the build tooling.
 
 ## Breaking changes
 
-In order to make some improvements we were forced to introduce a few breaking changes.**These were the
-result of real-world production testing and feedback**.The community has evolved and we’ve come up with
-newer, better ideas over the last year.We have made sure the impact is small and have written a full
+In order to make some improvements we were forced to introduce a few breaking changes. **These were the
+result of real-world production testing and feedback**. The community has evolved and we’ve come up with
+newer, better ideas over the last year. We have made sure the impact is small and have written a full
 migration guide.
 
 - 🚨`@mdx-js/tag` is replaced by `@mdx-js/react` and an `@mdx` pragma - [migration guide](/migrating/v1#pragma)
@@ -74,14 +74,14 @@ migration guide.
 
 #### Deprecations
 
-We only needed to introduce one deprecation.The `mdPlugins` and `hastPlugins` options have been renamed
-`remarkPlugins` and `rehypePlugins` respectively.For the time being we will issue a warning when the old options
-are used.In v2, the old options will be removed.
+We only needed to introduce one deprecation. The `mdPlugins` and `hastPlugins` options have been renamed
+`remarkPlugins` and `rehypePlugins` respectively. For the time being we will issue a warning when the old options
+are used. In v2, the old options will be removed.
 
 ## 📈 Growth
 
 A major release is always a good time to take a step back and reflect on what’s been happening in terms of growth
-and the greater community.The ecosystem surrounding MDX has already grown larger than we ever dreamed.We’ve also
+and the greater community. The ecosystem surrounding MDX has already grown larger than we ever dreamed.We’ve also
 seen projects/products/application we never even imagined.
 
 ### Numbers
@@ -93,7 +93,7 @@ seen projects/products/application we never even imagined.
 - **Commits**: 670
 
 The contributor growth is one of the most important aspects here as we have numerous community members that are familiar
-with MDX internals.This allows us to continually improve the project and spread the workload against an ever growing
+with MDX internals. This allows us to continually improve the project and spread the workload against an ever growing
 team of contributors.
 
 [See the contributor graph](https://github.com/mdx-js/mdx/graphs/contributors)
@@ -127,16 +127,16 @@ so in addition to bug fixes and parsing issues we might encounter.
 ### Vue support
 
 Supporting Vue is an important goal for MDX and is one of the primary reasons we’ve rearchitected MDX to use
-custom pragma.We’re delighted that **we now have an alpha version for Vue working**.We’d love it if anyone
+custom pragma. We’re delighted that **we now have an alpha version for Vue working**. We’d love it if anyone
 from the Vue community wants to give it a try and provide feedback.
 
 [See the Vue example](https://github.com/mdx-js/mdx/tree/master/examples/vue)
 
 ### Blocks project
 
-One of the key missing aspects of authoring MDX documents is the editing experience.Currently, there isn’t an
-approachable way to write MDX unless you enjoy working in a text editor and writing raw Markdown/code.We’d
-like to solve that and have begun work on an MDX “blocks editor” that’s a **content-focused WYSIWYG**.Not to mention,
+One of the key missing aspects of authoring MDX documents is the editing experience. Currently, there isn’t an
+approachable way to write MDX unless you enjoy working in a text editor and writing raw Markdown/code. We’d
+like to solve that and have begun work on an MDX “blocks editor” that’s a **content-focused WYSIWYG**. Not to mention,
 we’ll be doing all that we can to make sure the editor is as accessible as it can be from the beginning.
 
 When we have a beta ready we will be open sourcing it and announcing, so stay tuned.
@@ -156,7 +156,7 @@ projects are used all over the web, and it would never be possible without finan
 
 ## 🙏 Thanks
 
-We’d like to say thanks to all our contributors and our happy users.Special thanks to
+We’d like to say thanks to all our contributors and our happy users. Special thanks to
 [@wooorm](https://github.com/wooorm),
 [@silvenon](https://github.com/silvenon),
 [@timneutkens](https://github.com/timneutkens),

docs/contributing.mdx

@@ -69,7 +69,7 @@ We’re always looking for more opinions on discussions in the issue tracker.
 
 ### Write code
 
-Code contributions are very welcome.It’s often good to first create an issue
+Code contributions are very welcome. It’s often good to first create an issue
 to report a bug or suggest a new feature before creating a pull request to
 prevent you from doing unnecessary work.
 
@@ -79,7 +79,7 @@ prevent you from doing unnecessary work.
 2.  `yarn test`
 
 Tests for an individual package can be run as a yarn workspace:
-`yarn workspace remark-mdx test`.To see what packages ar available to test
+`yarn workspace remark-mdx test`. To see what packages ar available to test
 you can list out all workspaces with `yarn workspaces info`.
 
 ## Running the docs site
@@ -90,7 +90,7 @@ you can list out all workspaces with `yarn workspaces info`.
 
 ## Submitting an issue
 
-- The issue tracker is for issues.Use chat for support
+- The issue tracker is for issues. Use chat for support
 - Search the issue tracker (including closed issues) before opening a new
   issue
 - Ensure you’re using the latest version of our packages

docs/getting-started/babel-config.mdx

@@ -1,7 +1,7 @@
 # Babel configuration
 
 You will also need to configure [babel][] to support the language features that
-MDX uses.One way you can achieve that is using the following `.babelrc`
+MDX uses. One way you can achieve that is using the following `.babelrc`
 at your project root.
 
 ```json

docs/getting-started/index.mdx

@@ -239,7 +239,7 @@ structures.
 ##### Defining variables with exports
 
 If you need to define a variable in your MDX document, you can use an export
-to do so.Not only do exports emit data, they instantiate data you can reference
+to do so. Not only do exports emit data, they instantiate data you can reference
 in JSX blocks:
 
 ```js

docs/getting-started/next.mdx

@@ -22,10 +22,10 @@ To have Next.js treat `.mdx` files in the pages directory as pages use the `page
 ```js
 // next.config.js
 const withMDX = require('@next/mdx')({
-  extension: /\.mdx?$/,
+  extension: /\.mdx?$/
 })
 module.exports = withMDX({
-  pageExtensions: ['js', 'jsx', 'mdx'],
+  pageExtensions: ['js', 'jsx', 'mdx']
 })
 ```
 

docs/getting-started/webpack.mdx

@@ -13,7 +13,7 @@ npm install --save-dev @mdx-js/loader
 
 ## Configuration
 
-The loader needs to be used in tandem with the [babel-loader][].Most projects will typically
+The loader needs to be used in tandem with the [babel-loader][]. Most projects will typically
 already include this if you are using JSX syntax.
 
 For webpack projects you can define the following `webpack.config.js` extension
@@ -38,8 +38,8 @@ module.exports = {
 
 If you only want the loader for `.mdx` files you can change the regex to `/\.mdx$/`.
 
-The transpiled output for MDX requires [babel][] to be run.This is typically
-by adding in the babel-loader to run _after_ the MDX loader.Webpack starts
+The transpiled output for MDX requires [babel][] to be run. This is typically
+by adding in the babel-loader to run _after_ the MDX loader. Webpack starts
 from the end of the loaders array and works backward, so it is important to
 follow the ordering above.
 

docs/getting-started/x0.mdx

@@ -7,7 +7,7 @@ import Note from 'gatsby-theme-mdx/src/components/note'
   caution!
 </Note>
 
-[x0][] is a zero-config tool with built in support for MDX.You will need
+[x0][] is a zero-config tool with built in support for MDX. You will need
 to install the library and set up the npm script.
 
 ## Installation
@@ -28,8 +28,8 @@ Then, in your `package.json` add the following to the `scripts`:
 ## Customizing the layout
 
 [x0][] supports MDX files with either `.md` or `.mdx` file extensions out of
-the box.For components requiring providers you will need to use customize
-`_app.js`.Here’s an example using [Rebass][] components:
+the box. For components requiring providers you will need to use customize
+`_app.js`. Here’s an example using [Rebass][] components:
 
 ```jsx
 import React from 'react'

docs/getting-started/zero.mdx

@@ -8,7 +8,7 @@ import Note from 'gatsby-theme-mdx/src/components/note'
 </Note>
 
 [Zero](https://zeroserver.io) is a no-config web framework for React, MDX,
-Node.js, and Vue.It has built in support for MDX.To get started, install
+Node.js, and Vue. It has built in support for MDX. To get started, install
 Zero (globally or locally in your project).
 
 ## Installation

docs/guides/custom-loader.mdx

@@ -1,8 +1,8 @@
 # Custom loader
 
-By design, the default MDX is very minimal and likely won’t see any additional features outside of the MDX spec.However, webpack [makes it straightforward][webpack-loader] to write your own loader to add custom syntax support.
+By design, the default MDX is very minimal and likely won’t see any additional features outside of the MDX spec. However, webpack [makes it straightforward][webpack-loader] to write your own loader to add custom syntax support.
 
-Consider a scenario where you wanted to add frontmatter support to all your MDX documents.You could achieve this with a remark plugin or a custom loader. Here we’ll write a custom loader:
+Consider a scenario where you wanted to add frontmatter support to all your MDX documents. You could achieve this with a remark plugin or a custom loader. Here we’ll write a custom loader:
 
 ```js
 // lib/fm-loader.js

docs/guides/live-code.mdx

@@ -5,7 +5,7 @@ If you haven’t read the syntax highlighting guide it’s recommended start the
 # Live code
 
 An increasingly common approach for live code editors is to overload the
-code block.This is often done so that the code shows up nicely when rendered
+code block. This is often done so that the code shows up nicely when rendered
 to GitHub and it’s a nice usage of meta strings.
 
 ## Code block meta string
@@ -15,6 +15,7 @@ be automatically passed as props to your code block.
 
 ````md
 ```js live=true
+
 ```
 ````
 
@@ -88,7 +89,7 @@ export default props => (
 ## Using the MDXProvider context for rendering
 
 With the react-live editor you can ensure that your MDX components
-in context are rendered in the preview.In order to do this you
+in context are rendered in the preview. In order to do this you
 can use the MDX custom pragma.
 
 To achieve this, import the pragma:

docs/guides/markdown-in-components.md

@@ -4,7 +4,7 @@ One great feature about MDX is that you can use Markdown within your JSX compone
 
 ## Example
 
-Lets say you wanted to create a custom `<Note />` component.You could do something like this.
+Lets say you wanted to create a custom `<Note />` component. You could do something like this.
 
 Using MDX 2: