Incorrect normalization of 


[KTibow]

Describe the bug

In textareas, you can use 
 to make newlines in placeholders. However, Svelte incorrectly normalizes them to spaces.

Reproduction

https://svelte.dev/playground/7dfe114da25a41a3bf70ebd5803bb9a5?version=5.25.10

Input: placeholder="a
b"
Output: placeholder="a b"

Severity

annoyance

[brunnerh]

Duplicate of:

• Svelte disrespects line break entities, regardless of preserveWhitespace option #15555