### Install npm dependencies

Source: https://github.com/ltex-plus/vscode-ltex-plus/blob/develop/CONTRIBUTING.md

Navigate to the project directory and install the necessary Node.js dependencies.

```bash
cd vscode-ltex-plus && npm install
```

--------------------------------

### Start VS Code with separate directories

Source: https://github.com/ltex-plus/vscode-ltex-plus/blob/develop/CONTRIBUTING.md

Launch VS Code with distinct directories for extensions and user data to ensure a clean testing environment for pre-releases.

```bash
code --extensions-dir /tmp/code-extensions --user-data-dir /tmp/code-user
```

--------------------------------

### Example LTeX Document

Source: https://github.com/ltex-plus/vscode-ltex-plus/blob/develop/walkthrough/en/checkLatexDocuments.md

This is an example LTeX document that can be used to test the LTeX+ extension. It contains intentional spelling and grammar errors.

```latex
\section{\LaTeX{} Example}

This is a sentence \emph{without any errors.}
This is a sentence \emph{with a speling error.}
Finally, this is a sentence \emph{with an grammar error.}
```

--------------------------------

### LTEX+ Error Message Example

Source: https://github.com/ltex-plus/vscode-ltex-plus/blob/develop/walkthrough/en/applyQuickFixes.md

This plaintext example shows the error message LTEX+ displays when it finds a potential spelling mistake.

```plaintext
'speling': Possible spelling mistake found. – MORFOLOGIK_RULE_EN_US

```

--------------------------------

### Markdown Example Document

Source: https://github.com/ltex-plus/vscode-ltex-plus/blob/develop/walkthrough/en/checkMarkdownDocuments.md

This is an example Markdown document used to demonstrate LTEX+ error checking capabilities. It contains intentional spelling and grammar errors.

```markdown
# Markdown Example

This is a sentence *without any errors.*
This is a sentence *with a speling error.*
Finally, this is a sentence *with an grammar error.*
```

--------------------------------

### Markdown Example with Spelling Error

Source: https://github.com/ltex-plus/vscode-ltex-plus/blob/develop/walkthrough/en/applyQuickFixes.md

This Markdown snippet demonstrates a common spelling mistake that LTEX+ can detect.

```markdown
This is a sentence *with a speling error in it.*

```

--------------------------------

### Build the extension

Source: https://github.com/ltex-plus/vscode-ltex-plus/blob/develop/CONTRIBUTING.md

Compile the extension code to check for build errors.

```bash
npm run compile
```

--------------------------------

### Clone the vscode-ltex-plus repository

Source: https://github.com/ltex-plus/vscode-ltex-plus/blob/develop/CONTRIBUTING.md

Clone your forked repository to your local machine to begin development.

```bash
git clone https://github.com/<YOUR_USERNAME>/vscode-ltex-plus.git
```

--------------------------------

### Lint the code

Source: https://github.com/ltex-plus/vscode-ltex-plus/blob/develop/CONTRIBUTING.md

Run the linter to check for code style and potential errors.

```bash
npm run lint
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.