'revisionyear',
'revisiontimestamp',
'revisionuser',
+ 'revisionsize',
'subpagename',
'subpagenamee',
'talkspace',
$magic = MagicWord::get( $name );
$case = intval( $magic->isCaseSensitive() );
foreach ( $magic->getSynonyms() as $i => $syn ) {
- $group = "(?P<{$i}_{$name}>" . preg_quote( $syn, '/' ) . ')';
+ // Group name must start with a non-digit in PCRE 8.34+
+ $it = strtr( $i, '0123456789', 'abcdefghij' );
+ $group = "(?P<{$it}_{$name}>" . preg_quote( $syn, '/' ) . ')';
if ( $this->baseRegex[$case] === '' ) {
$this->baseRegex[$case] = $group;
} else {