new line after opening tag in html source

In the new version is a line break after every opening tag. This wasnt the case in the old version. Is it possible to dissable?

old:
<h1>headline1</h1>
<p>text</p>
<h2>headline2</h2>
<p>text</p>

new:
<h1>
headline1</h1>
<p>
text</p>
<h2>
headline2</h2>
<p>
text</p>

Thanks in advance