**Prettier 1.17.1** [Playground link](https://prettier.io/playground/#N4Igxg9gdgLgprEAuEBiABABQE4QObYCGAtsQJZR7oA2hlAroXnAM4A6UHqGAwqh1wwApQgDdCLMNjIAHGCAA0ICHLLQWyUIWy4A7pm0INKMRDIATRSABGRMAGs4MAMozCYCnmQxs9OEoALGGJqAHUAsngWNzA4ZyNIslFIgE9kcBYNJQoWOGwYHCZiQmQAM0JqXKUAKxYADwAhO0cXEjgAGQo4MoqqkFq6509qOABFegh4Hsr-EDdsXOx04ux7cwhdKCsZaVhQixgA5AAOAAYlHYhc0KIZdJ3WPNFupQBHCfgcFWMQCQBaKBwODmYFWbBwd5kcGFPDFaZ9XLkby+WYsYZjD7dJDlGZKGCEaz7cyHZAAJjxRDI1E8PAgpBKKCg0BeIHouQAKgTjDjcgBfXlAA) ```sh --parser markdown ``` **Input:** ```markdown # Programming languages ## C# ## Javascript ``` **Output:** ```markdown # Programming languages ## C ## Javascript ``` Markdown parser strips the hash sign (#) when it comes in a title.
Prettier 1.17.1
Playground link
Input:
Output:
Markdown parser strips the hash sign (#) when it comes in a title.