test-repo/tests/format/lwc/attribute/quotes/quotes.html

<div double-quoted="{data}"    single-quoted='{data}'
unquoted={data}>   </div>

<div class="{data}"    class='{data}'
class={data}>   </div>

<div
  in-single-quote="'&apos;&quot;"
  in-double-quote='"&apos;&quot;'
  escaped-unquoted=&apos;&quot;
  escaped-in-single-quote='&apos;&quot;'
  escaped-in-double-quote="&apos;&quot;"
  style="width:                         100px;"
></div>