WordPress at a glance
filter is not described

the_title_rss filter-hook . WP 1.0

This filter is documented in wp-includes/feed.php

Usage

add_filter( 'the_title_rss', 'filter_function_name_8096' );
function filter_function_name_8096( $title ){
	// filter...

	return $title;
}
$title
-

Where the hook is called

In file: /wp-includes/feed-rss2-comments.php
the_title_rss
wp-includes/feed-rss2-comments.php 84
$title = apply_filters( 'the_title_rss', $title );
wp-includes/feed-atom-comments.php 81
$title = apply_filters( 'the_title_rss', $title );
wp-includes/feed.php 166
return apply_filters( 'the_title_rss', $title );
wp-admin/includes/export.php 545
$title = apply_filters( 'the_title_rss', $post->post_title );

Where in WP core the hook is used WordPress

wp-includes/feed-rss2-comments.php 215
add_filter( 'the_title_rss', 'strip_tags' );
wp-includes/feed-rss2-comments.php 216
add_filter( 'the_title_rss', 'ent2ncr', 8 );
wp-includes/feed-rss2-comments.php 217
add_filter( 'the_title_rss', 'esc_html' );