diff --git a/lexing.cpp b/lexing.cpp
index 6441395..3a6af4d 100644
--- a/lexing.cpp
+++ b/lexing.cpp
@@ -302,10 +302,18 @@ lex__stream(Lexer *lexer){
         case ';' : {
           Token semi  = token_make(lexer);
           Token *last = lex_last_indent_token(s);
-          semi.kind   = SAME_SCOPE;
           semi.indent = last->indent;
           lex_advance(s);
-          array->add(semi);
+          if(lexc(s) == ';'){
+            lex_advance(s);
+            semi.kind = OPEN_SCOPE;
+            semi.indent = last->indent + 2; // @todo: proper detection of indentation
+            array->add(semi);
+            s->indent_stack.add(array->last());
+          } else{
+            semi.kind   = SAME_SCOPE;
+            array->add(semi);
+          }
         } break;
 
         case '\n':{
diff --git a/programs/Windows.kl b/programs/Windows.kl
index d9b2986..e8b2478 100644
--- a/programs/Windows.kl
+++ b/programs/Windows.kl
@@ -3,15 +3,47 @@ LPCSTR :: *char
 HWND :: *void
 HMENU :: *void
 HINSTANCE :: *void
+HBITMAP :: *void
+HDC :: *void
 LPVOID :: *void
 SIZE_T :: U64
 BOOL :: int
 HANDLE :: *void
 VOID :: void
 LPDWORD :: *DWORD
+BYTE :: U8 // @todo? unsigned char
+WORD :: S16 // short
+LONG :: S32 // @todo long
+UINT :: U32 // @todo uint
 
+RBGQUAD :: struct
+  rgbBlue: BYTE
+  rgbGreen: BYTE
+  rgbRed: BYTE
+  rgbReserved: BYTE
+
+BITMAPINFOHEADER :: struct
+  biSize: DWORD
+  biWidth: LONG
+  biHeight: LONG
+  biPlanes: WORD
+  biBitCount: WORD
+  biCompression: DWORD
+  biSizeImage: DWORD
+  biXPelsPerMeter: LONG
+  biYPelsPerMeter: LONG
+  biClrUsed: DWORD
+  biClrImportant: DWORD
+
+BITMAPINFO :: struct
+  bmiHeader :: BITMAPINFOHEADER
+  bmiColors :: [1]RBGQUAD
+
+// #import #foreign "gdi32.lib" @todo
 CreateWindowA :: #foreign (dwExStyle: DWORD, lpClassName: *char, lpWindowName: *char, dwStyle: DWORD, X: int, Y: int, nWidth: int, nHeight: int, hWndParent: HWND, hMenu: HMENU, hInstance: HINSTANCE, lpParam: *void): HWND
-
+GetDC :: #foreign (hWnd: HWND): HDC
+CreateDIBSection :: #foreign (hdc: HDC, pbmi: *BITMAPINFO, usage: UINT, ppvBits: **VOID, hSection: HANDLE, offset: DWORD): HBITMAP
+CreateCompatibleDC :: (hdc: HDC): HDC
 
 MEM_COMMIT :: 0x00001000
 MEM_RESERVE :: 0x00002000
diff --git a/programs/main.kl b/programs/main.kl
index 3a91ce3..d67cc84 100644
--- a/programs/main.kl
+++ b/programs/main.kl
@@ -1,9 +1,15 @@
-#import "base.kl"
-os :: #import "os.kl"
+// #import "base.kl"
+#load "Windows.kl"
+
+Vec2I :: struct ;; x: S32; y: S32
+
+create_bitmap :: (size: Vec2I)
+  pass
 
 main :: (argc: int, argv: **char): int
-  memory := os.reserve(size = 10000)
-  os.commit(&memory, 1000)
-  os.release(&memory)
-  os.print("Hello world")
+  pass
+  // memory := os.reserve(size = 10000)
+  // os.commit(&memory, 1000)
+  // os.release(&memory)
+  // os.print("Hello world")