validator: use newlines in check report

validation/src/check.rs

@@ -90,17 +90,17 @@ impl CheckReport{
 impl std::fmt::Display for CheckReport{
 	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
 		write!(f,
-			"exactly_one_root={}\
-root_is_model={}\
-model_name_prefix_is_valid={}\
-model_name_is_snake_case={}\
-has_display_name={}\
-has_creator={}\
-display_name_is_title_case={}\
-exactly_one_mapstart={}\
-at_least_one_mapfinish={}\
-spawn1_exists={}\
-no_duplicate_spawns={}\
+			"exactly_one_root={}\n
+root_is_model={}\n
+model_name_prefix_is_valid={}\n
+model_name_is_snake_case={}\n
+has_display_name={}\n
+has_creator={}\n
+display_name_is_title_case={}\n
+exactly_one_mapstart={}\n
+at_least_one_mapfinish={}\n
+spawn1_exists={}\n
+no_duplicate_spawns={}\n
 no_duplicate_wormhole_out={}",
 			self.exactly_one_root,
 			self.root_is_model,