diff --git a/README.md b/README.md
index c2c15dd..9d561d2 100644
--- a/README.md
+++ b/README.md
@@ -7,16 +7,260 @@ Example:
 
 ```
 rMenuBar(
-  rMenu("@",
-    rMenuItem("About My App..."),
-    rMenuItem("Preferences...")
+  rMenu(" @ ",
+    rMenuItem("About My App…", export="kAboutMenuItem"),
+    rMenuItem("Preferences…", ",", export="kPreferencesMenuItem")
   ),
   rMenu(" File ",
-    rMenuItem("New", "Nn"),
-    rMenuItem("Open", "Oo"),
-    rMenuItem("Save", "Ss"),
-    rMenuItem("Print", "Pp")
+    rMenuItem("New ", "Nn", export="kNewMenuItem"),
+    rMenuItem("Open…", "Oo", export="kOpenMenuItem"),
+    rMenuItem("Save", "Ss", disabled=True, export="kSaveMenuItem"),
+    DividerMenuItem(),
+    rMenuItem("Close", "Ww", id=0xff, export="kCloseMenuItem"),
+    export = "kFileMenu"
   ),
+  rMenu(" Edit ",
+    UndoMenuItem(), # shortcut for doing it manually,
+    DividerMenuItem(),
+    CutMenuItem(),
+    CopyMenuItem(),
+    PasteMenuItem(),
+    ClearMenuItem(),
+    export = "kEditMenu"
+  ),
+  export = "kMenuBar"
 )
 ```
+
 This will generate rMenuBar, rMenu, rMenuItem, and rPString resources.
+
+Note that the input file is actually a python program that generates a 
+resource fork as a side effect.
+
+
+```
+resource rMenuItem($00000101) {
+  0x0100, /* id */
+  "", "", /* chars */
+  0x0000, /* check */
+  0x8000, /* flags */
+  0x0001 /* title ref (rPString) */
+}
+
+resource rMenuItem($00000103) {
+  0x0102, /* id */
+  ",", ",", /* chars */
+  0x0000, /* check */
+  0x8000, /* flags */
+  0x0002 /* title ref (rPString) */
+}
+
+resource rMenuItem($00000105) {
+  0x0104, /* id */
+  "N", "n", /* chars */
+  0x0000, /* check */
+  0x8000, /* flags */
+  0x0003 /* title ref (rPString) */
+}
+
+resource rMenuItem($00000107) {
+  0x0106, /* id */
+  "O", "o", /* chars */
+  0x0000, /* check */
+  0x8000, /* flags */
+  0x0004 /* title ref (rPString) */
+}
+
+resource rMenuItem($00000109) {
+  0x0108, /* id */
+  "S", "s", /* chars */
+  0x0000, /* check */
+  0x8080, /* flags */
+  0x0005 /* title ref (rPString) */
+}
+
+resource rMenuItem($0000010b) {
+  0x010a, /* id */
+  "", "", /* chars */
+  0x0000, /* check */
+  0x8080, /* flags */
+  0x0006 /* title ref (rPString) */
+}
+
+resource rMenuItem($000000ff) {
+  0x00ff, /* id */
+  "W", "w", /* chars */
+  0x0000, /* check */
+  0x8000, /* flags */
+  0x0007 /* title ref (rPString) */
+}
+
+resource rMenuItem($0000010c) {
+  0x00fa, /* id */
+  "Z", "z", /* chars */
+  0x0000, /* check */
+  0x8000, /* flags */
+  0x0008 /* title ref (rPString) */
+}
+
+resource rMenuItem($0000010e) {
+  0x010d, /* id */
+  "", "", /* chars */
+  0x0000, /* check */
+  0x8080, /* flags */
+  0x0009 /* title ref (rPString) */
+}
+
+resource rMenuItem($0000010f) {
+  0x00fb, /* id */
+  "X", "x", /* chars */
+  0x0000, /* check */
+  0x8000, /* flags */
+  0x000a /* title ref (rPString) */
+}
+
+resource rMenuItem($00000110) {
+  0x00fc, /* id */
+  "C", "c", /* chars */
+  0x0000, /* check */
+  0x8000, /* flags */
+  0x000b /* title ref (rPString) */
+}
+
+resource rMenuItem($00000111) {
+  0x00fd, /* id */
+  "V", "v", /* chars */
+  0x0000, /* check */
+  0x8000, /* flags */
+  0x000c /* title ref (rPString) */
+}
+
+resource rMenuItem($00000112) {
+  0x00fe, /* id */
+  "", "", /* chars */
+  0x0000, /* check */
+  0x8000, /* flags */
+  0x000d /* title ref (rPString) */
+}
+
+resource rPString($0000000e) {
+  "About My App\$c9"
+}
+
+resource rPString($0000000f) {
+  "Preferences\$c9"
+}
+
+resource rPString($00000010) {
+  " @ "
+}
+
+resource rPString($00000011) {
+  "New "
+}
+
+resource rPString($00000012) {
+  "Open\$c9"
+}
+
+resource rPString($00000013) {
+  "Save"
+}
+
+resource rPString($00000014) {
+  "-"
+}
+
+resource rPString($00000015) {
+  "Close"
+}
+
+resource rPString($00000016) {
+  " File "
+}
+
+resource rPString($00000017) {
+  "Undo"
+}
+
+resource rPString($00000018) {
+  "-"
+}
+
+resource rPString($00000019) {
+  "Cut"
+}
+
+resource rPString($0000001a) {
+  "Copy"
+}
+
+resource rPString($0000001b) {
+  "Paste"
+}
+
+resource rPString($0000001c) {
+  "Clear"
+}
+
+resource rPString($0000001d) {
+  " Edit "
+}
+
+resource rMenu($00000002) {
+  0x0001, /* menu ID */
+  0xa000, /* flags */
+  0x0000001e, /* title ref (rPString) */
+  {
+    0x00000113,
+    0x00000114
+  }
+}
+
+resource rMenu($00000004) {
+  0x0003, /* menu ID */
+  0xa000, /* flags */
+  0x0000001f, /* title ref (rPString) */
+  {
+    0x00000115,
+    0x00000116,
+    0x00000117,
+    0x00000118,
+    0x000000ff
+  }
+}
+
+resource rMenu($00000006) {
+  0x0005, /* menu ID */
+  0xa000, /* flags */
+  0x00000020, /* title ref (rPString) */
+  {
+    0x00000119,
+    0x0000011a,
+    0x0000011b,
+    0x0000011c,
+    0x0000011d,
+    0x0000011e
+  }
+}
+
+resource rMenuBar($00000001) {
+  {
+    0x00000007,
+    0x00000008,
+    0x00000009
+  }
+}
+```
+
+```
+#define kAboutMenuItem 0x0000011f
+#define kPreferencesMenuItem 0x00000120
+#define kNewMenuItem 0x00000121
+#define kOpenMenuItem 0x00000122
+#define kSaveMenuItem 0x00000123
+#define kCloseMenuItem 0x000000ff
+#define kFileMenu 0x0000000a
+#define kEditMenu 0x0000000b
+#define kMenuBar 0x00000002
+```