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<?php
// For https://wordpress.org/plugins/simple-urls/ plugin
// From https://gist.github.com/cliffordp/ccb448a74ad0057f11ab
// To add Excerpt support to 'surl' post type -- e.g. to add description text / internal notes.
// Ref: https://developer.wordpress.org/reference/functions/add_post_type_support/
add_filter( 'simple_urls_post_type_supports', 'my_surls_custom_supports' );
function my_surls_custom_supports() {
  return array( 'title', 'excerpt' );
}