moved from
https://github.com/splitbrain/dokuwiki-plugin-searchindex/issues/15
he following linked page can stuck the search index building.
http://wiki.cdlug.org/doku.php/dntfwah:2:d2_0x05_the_dic_of_nanhu_settlement,
the file is attached.
run bin/indexer.php from command line it error quit and said:
"dntfwah:2:d2_0x05_the_dic_of_nanhu_settlement... PHP Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 71 bytes) in '/webprefix/wiki/inc/indexer.php on line 442"
that line is explode again, so i update it here.
439 if (preg_match('/[^0-9A-Za-z ]/u', $text))
440 $text = utf8_stripspecials($text, ' ', '\._\-:'.$wc);
441
442 $wordlist = explode(' ', $text);
443 foreach ($wordlist as $i => $word) {