removing beginning s in text/html, with <style />

[quangv]

moved here from: sveltejs/language-tools#324

Describe the bug
This or prettier, is removing starting works with beginning s, like sweet, Sweet, sssweet, after saving.

To Reproduce
Steps to reproduce the behavior:

App.svelte

<style>

</style>

sssweet

get's turned into: (after saving, see screenshot)

<style>

</style>

weet

Expected behavior
It should keep the sssweet

Screenshots

System (please complete the following information):

• OS: Windows 10
• IDE: VSCode
• Plugin/Package: "Svelte for VSCode", "Prettier"

Additional context
Strange.