Escaped line breaks \n do not work in attributes

[SystemParadox]

Describe the bug

If you use a line break like \n in an attribute like title, you get a literal \n in the tooltip output instead of a newline.

It works correctly if you use a variable from the script tag or if you use an actual line break in the source code, but if you write \n you get a literal \n. See the attached REPL:

<script>
	let title = 'foo\nbar';
</script>
<h1 {title}>Variable</h1>
<h1 title='foo\nbar'>Inline escaped</h1>
<h1 title='foo
bar'>Inline real</h1>

Works correctly for "Variable" and "Inline real", but not "Inline escaped".

Reproduction

https://svelte.dev/repl/73ceb4ac83b74c33a7d24cafdc81434a?version=3.50.1

Logs

No response

System Info

System:
    OS: Linux 5.4 Linux Mint 20.3 (Una)
    CPU: (12) x64 AMD Ryzen 5 2600 Six-Core Processor
    Memory: 3.51 GB / 15.56 GB
    Container: Yes
    Shell: 5.0.17 - /bin/bash
  Binaries:
    Node: 16.16.0 - ~/.nvm/versions/node/v16.16.0/bin/node
    npm: 8.11.0 - ~/.nvm/versions/node/v16.16.0/bin/npm
  Browsers:
    Chrome: 105.0.5195.52
    Firefox: 104.0.1

Severity

annoyance

[Conduitry]

This is how HTML behaves and is the intended behavior in Svelte. \n in an attribute value in HTML does not mean a newline.

[SystemParadox]

Oh. That does make sense although is a bit surprising. May I suggest noting this in the docs?

Note to self: title={'foo\nbar'} avoids this issue.