I found the cause of this problem.
-bash-3.2$ diff --unified=0 --strip-trailing-cr sitemap-core.php sitemap-core.php.new
--- sitemap-core.php 2011-09-30 00:41:19.000000000 +0900
+++ sitemap-core.php.new 2011-10-28 20:33:26.000000000 +0900
@@ -2126,2 +2126,2 @@
- tt.taxonomy AS _taxonomy,
- UNIX_TIMESTAMP(MAX(post_date_gmt)) as _mod_date
+ tt.taxonomy AS taxonomy,
+ UNIX_TIMESTAMP(MAX(post_date_gmt)) as mod_date
@@ -2148 +2148 @@
- $this->AddUrl(get_term_link($term,$term->_taxonomy),$term->_mod_date ,$this->GetOption("cf_tags"),$this->GetOption("pr_tags"));
+ $this->AddUrl(get_term_link($term,$term->taxonomy),$term->mod_date ,$this->GetOption("cf_tags"),$this->GetOption("pr_tags"));
Please check this code.
and, Someone who contact the author if you know.
(I couldn’t find contact form for the author)
