diff --git a/reference/BasicAlgo/BasicAlgo.cpp b/reference/BasicAlgo/BasicAlgo.cpp
index 29efe418c..67750b7fe 100644
--- a/reference/BasicAlgo/BasicAlgo.cpp
+++ b/reference/BasicAlgo/BasicAlgo.cpp
@@ -24,15 +24,20 @@ CONSOLE_APP_MAIN{
 	DUMP(decode(2, 1, "one", 2, "two", 3, "three", "?"));
 	DUMP(decode(5, 1, "one", 2, "two", 3, "three", "?"));
 
-	Vector<int> empty;
-	Vector<int> data = { 10, 5, 11, 9, 2 };
-	//                   0   1  2   3  4
+	Vector<int> data = { 10, 5, 11, 9, 2, 11 };
+	//                   0   1  2   3  4  5
 
+	DUMP(FindIndex(data, 11));
 	DUMP(FindMin(data));
 	DUMP(FindMin(data, 0, 4));
 	DUMP(Min(data));
+
+	Vector<int> empty;
 //	DUMP(Min(empty)); // This is undefined (fails in ASSERT)
 	DUMP(Min(empty, -99999));
+	
+	DUMP(Count(data, 11));
+	DUMP(CountIf(data, [=](int c) { return c >= 5; }));
 
 	struct {
 		int mul = 1;
diff --git a/reference/CoWorkerResources/CoWorkerResources.cpp b/reference/CoWorkerResources/CoWorkerResources.cpp
index 009abbdde..036b74203 100644
--- a/reference/CoWorkerResources/CoWorkerResources.cpp
+++ b/reference/CoWorkerResources/CoWorkerResources.cpp
@@ -7,7 +7,7 @@ struct Model { // some computation model that is not stateless, abstract definit
 	virtual int    Compute() = 0;
 };
 
-struct Model1 : Model { // concrete model (there would be more)
+struct Model1 : Model { // concrete model (there would be more that this one)
 	int n;
 
 	virtual void   Start(int i) { n = i; }
@@ -19,9 +19,11 @@ CONSOLE_APP_MAIN
 	Vector<int> data;
 	data.SetCount(3000);
 	
+	// generate data using some model:
+
 	CoWorkerResources<One<Model>> res;
 	for(auto& r : res)
-		r.Create<Model1>();
+		r.Create<Model1>(); // all should be the same
 	
 	CoPartition(0, data.GetCount(), [&data, &res](int l, int h) {
 		Model& m = *~res; // gets resource unique for worker
diff --git a/reference/CoWorkerResources/CoWorkerResources.upp b/reference/CoWorkerResources/CoWorkerResources.upp
index 6a828ecae..7ac2aea93 100644
--- a/reference/CoWorkerResources/CoWorkerResources.upp
+++ b/reference/CoWorkerResources/CoWorkerResources.upp
@@ -1,3 +1,5 @@
+description "CoWorkerResources provide per-worker-thread context\377";
+
 uses
 	Core;
 
diff --git a/reference/Format/Format.cpp b/reference/Format/Format.cpp
index 385083929..cf31608a1 100644
--- a/reference/Format/Format.cpp
+++ b/reference/Format/Format.cpp
@@ -34,6 +34,7 @@ CONSOLE_APP_MAIN
 	DUMP(Format("%n", 1234567.89));
 	DUMP(Format("%,n", 1234567.89));
 	DUMP(Format("%+n", 1234567.89));
+	DUMP(Format("%+n", -1234567.89));
 	DUMP(Format("%2,n", 123.456));
 	DUMP(Format("%2,n", 123));
 	DUMP(Format("%2!,n", 123));
@@ -52,6 +53,7 @@ CONSOLE_APP_MAIN
 	DUMP(Format("%[3%1:one;2:two;3:three;another]s", 20));
 
 	DUMP(Format("%month", 6));
+	DUMP(Format(LNG_('C','S','C','Z'), "%month", 6));
 	DUMP(Format("%Month", 6));
 	DUMP(Format("%MONTH", 6));
 	DUMP(Format("%mon", 6));