* Mapping of deprecated language codes that were used in previous
* versions of MediaWiki to up-to-date, current language codes.
* These may or may not be valid BCP 47 codes; they are included here
- * because MediaWiki remapped these particular codes at some point.
+ * because MediaWiki renamed these particular codes at some point.
*
- * @var array Mapping from language code to language code
+ * @var array Mapping from deprecated MediaWiki-internal language code
+ * to replacement MediaWiki-internal language code.
*
* @since 1.30
* @see https://meta.wikimedia.org/wiki/Special_language_codes
* `kk-Cyrl` is a valid code, although some validators may emit
* a warning note.
*
- * @var array Mapping from nonstandard codes to BCP 47 codes
+ * @var array Mapping from nonstandard MediaWiki-internal codes to
+ * BCP 47 codes
*
* @since 1.32
* @see https://meta.wikimedia.org/wiki/Special_language_codes
'es-formal' => 'es-x-formal',
'hu-formal' => 'hu-x-formal',
'map-bms' => 'jv-x-bms', // [[en:Banyumasan_dialect]] T125073
- 'mo' => 'ro-MD', // T125073
+ 'mo' => 'ro-Cyrl-MD', // T125073
'nrm' => 'nrf', // [[en:Norman_language]] T25216
'nl-informal' => 'nl-x-informal',
'roa-tara' => 'nap-x-tara', // [[en:Tarantino_dialect]]