WordPress at a glance
filter is not described

comments_popup_link_attributes filter-hook . WP 2.5.0

Filters the comments link attributes for display.

Usage

add_filter( 'comments_popup_link_attributes', 'filter_function_name_892' );
function filter_function_name_892( $attributes ){
	// filter...

	return $attributes;
}
$attributes(string)
The comments link attributes.
Default: ''

Where the hook is called

comments_popup_link()
wp-includes/comment-template.php 1566
echo apply_filters( 'comments_popup_link_attributes', $attributes );

Where the hook is used (in WP core)

Does not used.