diff --git a/libs/plankton/plankton.d.ts b/libs/plankton/plankton.d.ts
index 8dfef7a..80a8f89 100644
--- a/libs/plankton/plankton.d.ts
+++ b/libs/plankton/plankton.d.ts
@@ -1,11 +1,11 @@
 /**
  * @author fenris
  */
-type int = number;
+declare type int = number;
 /**
  * @author fenris
  */
-type float = number;
+declare type float = number;
 declare var process: any;
 declare var require: any;
 declare class Buffer {
@@ -22,7 +22,7 @@ declare namespace lib_plankton.base {
 /**
  * @author fenris
  */
-type type_pseudopointer<type_value> = {
+declare type type_pseudopointer<type_value> = {
     value: type_value;
 };
 /**
@@ -1211,6 +1211,9 @@ declare namespace lib_plankton.pit {
     /**
      */
     function is_after(pit: type_pit, reference: type_pit): boolean;
+    /**
+     */
+    function is_equal_or_after(pit: type_pit, reference: type_pit): boolean;
     /**
      */
     function is_between(pit: type_pit, reference_left: type_pit, reference_right: type_pit): boolean;
diff --git a/libs/plankton/plankton.js b/libs/plankton/plankton.js
index fe7a971..450f4c3 100644
--- a/libs/plankton/plankton.js
+++ b/libs/plankton/plankton.js
@@ -1486,7 +1486,7 @@ var __generator = (this && this.__generator) || function (thisArg, body) {
     function verb(n) { return function (v) { return step([n, v]); }; }
     function step(op) {
         if (f) throw new TypeError("Generator is already executing.");
-        while (g && (g = 0, op[0] && (_ = 0)), _) try {
+        while (_) try {
             if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
             if (y = 0, t) op = [op[0] & 2, t.value];
             switch (op[0]) {
@@ -3648,10 +3648,16 @@ var lib_plankton;
             return (pit > reference);
         }
         pit_1.is_after = is_after;
+        /**
+         */
+        function is_equal_or_after(pit, reference) {
+            return (pit >= reference);
+        }
+        pit_1.is_equal_or_after = is_equal_or_after;
         /**
          */
         function is_between(pit, reference_left, reference_right) {
-            return (is_after(pit, reference_left)
+            return (is_equal_or_after(pit, reference_left)
                 &&
                     is_before(pit, reference_right));
         }