WordPress at a glance
filter is not described

the_content_export filter-hook . WP 2.5.0

Filters the post content used for WXR exports.

Usage

add_filter( 'the_content_export', 'filter_function_name_9488' );
function filter_function_name_9488( $post_content ){
	// filter...

	return $post_content;
}
$post_content(string)
Content of the current post.

Where the hook is called

export_wp()
wp-admin/includes/export.php 521
echo wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) );

Where the hook is used (in WP core)

Does not used.