I get the following debug messages in OU Wiki with Moodle 2.3 (20120618)

textlib_get_instance() is deprecated. Please use static calling textlib::functioname() instead.
line 2939 of /lib/deprecatedlib.php: call to debugging()
line 44 of /mod/ouwiki/basicpage.php: call to textlib_get_instance()
line 29 of /mod/ouwiki/view.php: call to require()

textlib_get_instance() is deprecated. Please use static calling textlib::functioname() instead.
line 2939 of /lib/deprecatedlib.php: call to debugging()
line 584 of /mod/ouwiki/locallib.php: call to textlib_get_instance()
line 58 of /mod/ouwiki/view.php: call to ouwiki_get_current_page()

Deprecated: Call-time pass-by-reference has been deprecated in /Library/Server/Web/Data/Sites/Default/moodle23/mod/ouwiki/renderer.php on line 65
Deprecated: Call-time pass-by-reference has been deprecated in /Library/Server/Web/Data/Sites/Default/moodle23/mod/ouwiki/renderer.php on line 69
Deprecated: Call-time pass-by-reference has been deprecated in /Library/Server/Web/Data/Sites/Default/moodle23/mod/ouwiki/renderer.php on line 70