Partial templates are allowed to contain hyphens

app/parsers/template-parser.inc.php

@@ -103,7 +103,7 @@ static function parse_includes($data, $template) {
 		###### TODO: There is no protection against endless loops due to circular inclusions
 
 		# split out the partial into the parts Before, Inside, and After the :include
-		preg_match('/([\S\s]*?)\s:([\w\d_]+?)(\.html)?\b([\S\s]*)$/', $template, $template_parts);
+		preg_match('/([\S\s]*?)\s:([\w\d_-]+?)(\.html)?\s([\S\s]*)$/', $template, $template_parts);
 		# run the replacements on the pre-":include" part of the partial
 		$template = self::parse($data, $template_parts[1]);