more verbose errmsg

1 files changed, 1 insertions, 1 deletions

diff --git a/it.class b/it.class
index 0aafcd4..5300370 100644
--- a/it.class
+++ b/it.class
@@ -384,7 +384,7 @@ static function replace($replacements, $string, $p = array())
 	$result = preg_replace($patterns, $replacements, $string, isset($p['limit']) ? $p['limit'] : -1);
 
 	 if ($result === null && preg_last_error() == PREG_BAD_UTF8_ERROR)
-		it::error("Input to it::replace is not valid utf-8");
+		 it::error("Invalid utf-8 in it::replace haystack: " . substr($string, 0, 500)); # UTF8SAFE
 
 	return $result;
 }