Symfony console accepts XML-style tags in the output, for example:
$output->writeln('<error>foo</error>');
Unlike XML, the closing tag name is optional, i.e. this is valid:
$output->writeln('<fire>foo</>');
Unfortunately, PHPStorm doesn't like it:

More annoyingly, when you attempt to clear the closing tag name, it also clears the opening tag name, and there no real way to prevent this:

👇

Is this something the Symfony plugin could fix? I'd even be happy with just disabling any XML helpers in OutputInterface::write() strings.