using add_theme_support( ‘title-tag’ ); getting "REQUIRED" note.

Thanks for your reply,
it’s Version 20151211.1

I implemented it in functions.php like this:

function debus_diebold_2015_setup() {
    add_theme_support( ‘title-tag’ );
}
endif;
add_action( 'after_setup_theme', 'debus_diebold_2015_setup' );

After reading some other support requests and getting also the following recommendation, it rang a bell:

RECOMMENDED: No reference to add_theme_support( "title-tag" ) was found in the theme. It is recommended that the theme implement this functionality for WordPress 4.1 and above.

So I changed the quotation marks to double quotes, checked again, and now it works.

I agree, that it is impossible to check against every way of coding a solution.

Thank you for this plugin!

Best wishes, happy holidays …
Marco

Ah, now we know!

Changed it to
add_theme_support( 'title-tag' );

and I can confirm, it works now.

Thanks for your time!
Marco