オランダ語のテキストのアポストロフィが 113 ~ 130 行目のどこかで置き換えられたため、formatting.php の正規表現が呼び出されませんでした。
// if a plugin has provided an autocorrect array, use it
if ( isset($wp_cockneyreplace) ) {
$cockney = array_keys( $wp_cockneyreplace );
$cockneyreplace = array_values( $wp_cockneyreplace );
} else {
/* translators: This is a comma-separated list of words that defy the syntax of quotations in normal use,
* for example... 'We do not have enough words yet' ... is a typical quoted phrase. But when we write
* lines of code 'til we have enough of 'em, then we need to insert apostrophes instead of quotes.
*/
$cockney = explode( ',', _x( "'tain't,'twere,'twas,'tis,'twill,'til,'bout,'nuff,'round,'cause,'em",
'Comma-separated list of words to texturize in your language' ) );
$cockneyreplace = explode( ',', _x( '’tain’t,’twere,’twas,’tis,’twill,’til,’bout,’nuff,’round,’cause,’em',
'Comma-separated list of replacement words in your language' ) );
}
$static_characters = array_merge( array( '...', '``', '\'\'', ' (tm)' ), $cockney );
$static_replacements = array_merge( array( '…', $opening_quote, $closing_quote, ' ™' ), $cockneyreplace );
このセクションをコメントアウトすると、問題が解決します。