diff --git a/desktop/desktop.cpp b/desktop/desktop.cpp
index 2bfa57d..02a2a89 100644
--- a/desktop/desktop.cpp
+++ b/desktop/desktop.cpp
@@ -846,7 +846,7 @@ int WindowTabMessage(EsElement *element, EsMessage *message) {
 		}
 
 		EsMenuShow(menu);
-	} else if (message->type == ES_MSG_MOUSE_MIDDLE_UP && (element->state & UI_STATE_HOVERED)) {
+	} else if (message->type == ES_MSG_MOUSE_MIDDLE_UP && ((element->state & UI_STATE_HOVERED) || (tab->closeButton->state & UI_STATE_HOVERED))) {
 		WindowTabClose(tab);
 	} else if (message->type == ES_MSG_REORDER_ITEM_TEST) {
 	} else {
diff --git a/desktop/os.header b/desktop/os.header
index ce7e78f..5a5b7ff 100644
--- a/desktop/os.header
+++ b/desktop/os.header
@@ -2224,7 +2224,9 @@ function float EsCRTasinf(float x);
 function double EsCRTatan2(double y, double x); 
 function float EsCRTatan2f(float y, float x); 
 function float EsCRTatanf(float x); 
+function double EsCRTatod(const char *string); 
 function int EsCRTatoi(const char *string); 
+function float EsCRTatof(const char *string); 
 function void *EsCRTbsearch(const void *key, const void *base, size_t num, size_t size, EsCRTComparisonCallback compar);
 function void *EsCRTcalloc(size_t num, size_t size); 
 function double EsCRTcbrt(double x);
@@ -2279,6 +2281,8 @@ function int EsCRTstrncmp(const char *s1, const char *s2, size_t n);
 function char *EsCRTstrncpy(char *dest, const char *src, size_t n); 
 function size_t EsCRTstrnlen(const char *s, size_t maxlen); 
 function char *EsCRTstrstr(const char *haystack, const char *needle); 
+function double EsCRTstrtod(const char *nptr, char **endptr); 
+function float EsCRTstrtof(const char *nptr, char **endptr); 
 function long EsCRTstrtol(const char *nptr, char **endptr, int base); 
 function uint64_t EsCRTstrtoul(const char *nptr, char **endptr, int base); 
 function int EsCRTtolower(int c); 
diff --git a/desktop/prefix.h b/desktop/prefix.h
index 863c7d4..148ebf8 100644
--- a/desktop/prefix.h
+++ b/desktop/prefix.h
@@ -329,6 +329,8 @@ extern "C" void *EsBufferWrite(EsBuffer *buffer, const void *source, size_t writ
 #define atan2 EsCRTatan2
 #define atan2f EsCRTatan2f
 #define atanf EsCRTatanf
+#define atod EsCRTatod
+#define atof EsCRTatof
 #define atoi EsCRTatoi
 #define bsearch EsCRTbsearch
 #define calloc EsCRTcalloc
@@ -382,6 +384,8 @@ extern "C" void *EsBufferWrite(EsBuffer *buffer, const void *source, size_t writ
 #define strncpy EsCRTstrncpy
 #define strnlen EsCRTstrnlen
 #define strstr EsCRTstrstr
+#define strtod EsCRTstrtod
+#define strtof EsCRTstrtof
 #define strtol EsCRTstrtol
 #define strtoul EsCRTstrtoul
 #define tolower EsCRTtolower
diff --git a/shared/common.cpp b/shared/common.cpp
index 1f90490..2bfb772 100644
--- a/shared/common.cpp
+++ b/shared/common.cpp
@@ -2102,6 +2102,22 @@ uint64_t EsCRTstrtoul(const char *nptr, char **endptr, int base) {
 	return value;
 }
 
+float EsCRTstrtof(const char *nptr, char **endptr) {
+	return EsDoubleParse(nptr, -1, endptr);
+}
+
+double EsCRTstrtod(const char *nptr, char **endptr) {
+	return EsDoubleParse(nptr, -1, endptr);
+}
+
+float EsCRTatof(const char *nptr) {
+	return EsDoubleParse(nptr, -1, nullptr);
+}
+
+double EsCRTatod(const char *nptr) {
+	return EsDoubleParse(nptr, -1, nullptr);
+}
+
 size_t EsCRTstrcspn(const char *s, const char *reject) {
 	size_t count = 0;
 
diff --git a/util/api_table.ini b/util/api_table.ini
index b25320f..2390b5a 100644
--- a/util/api_table.ini
+++ b/util/api_table.ini
@@ -471,3 +471,7 @@ EsCRTfmod=469
 EsCRTpow=470
 EsCRTcbrt=471
 EsCRTcbrtf=472
+EsCRTatod=473
+EsCRTatof=474
+EsCRTstrtod=475
+EsCRTstrtof=476
diff --git a/util/designer2.cpp b/util/designer2.cpp
index 11f0627..a7e53aa 100644
--- a/util/designer2.cpp
+++ b/util/designer2.cpp
@@ -21,7 +21,6 @@
 // TODO Export.
 
 // Additional features:
-// TODO Selecting and moving multiple objects.
 // TODO Resizing objects?
 // TODO Find object in graph by name.
 // TODO Prototyping display. (Multiple instances of each object can be placed, resized and interacted with).