Add ! [CDATA] to title tag in xml feed

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Hello,

in case somebody has the same issue, the following code working great for adding the ![CDATA] in the <title><?php the_title_rss() ?></title>

//Add cdata to job posting feed title 
add_filter( 'the_title_rss', 'job_modify_post_title' );
function job_modify_post_title ( $title ) {
    global $post;
    if ( get_post_type( $post ) == 'job_listing' ) { 
       return '<![CDATA[' . $title . ']]>';   
    }
}

Now i am try to adding ![cdata] to the feed title <title><?php wp_title_rss(); ?></title>

Any help is appreciated

For adding ![CDATA] to the feed title <title><?php wp_title_rss(); ?></title> the above code make it work

//Add cdata to feed title 
add_filter( 'wp_title_rss', 'add_cdata_to_feed_title' );
function add_cdata_to_feed_title ( $title ) {  
       return '<![CDATA[' . $title . ']]>';   
}

Cool, I had the same issue with HTML chars in rss titles.
Your post helped me a lot