diff --git a/src/cg/05-palette.cg b/src/cg/05-palette.cg
index 4667749..5f55adb 100644
--- a/src/cg/05-palette.cg
+++ b/src/cg/05-palette.cg
@@ -68,6 +68,11 @@ palette = config \
       }
     };
 
+  # local onSelect, calls passed in config.onSelect
+  onSelect = text \ text
+    | "" \ config.onSelect paletteState.query
+    | _ \ config.onSelect text;
+
   ui.stateful {
     key = "palette",
     focusable = False,
@@ -80,8 +85,8 @@ palette = config \
       | Key { printable = True } \ { state = state.{ focusedIndex = 0 }, emit = [] }
       | Key { key = "ArrowUp" } \ { state = state.{ focusedIndex = max 0 (state.focusedIndex - 1) }, emit = [] }
       | Key { key = "ArrowDown" } \ { state = state.{ focusedIndex = min (len results - 1) (state.focusedIndex + 1) }, emit = [] }
-      | Key { key = "Enter" } \ _ = debug "Enter" []; { state = state, emit = [config.onSelect (unwrapOr "" (nth state.focusedIndex results))] }
-      | e \ _ = debug "event" e; { state = state, emit = [] },
+      | Key { key = "Enter" } \ { state = state, emit = [onSelect (unwrapOr "" (nth state.focusedIndex results))] }
+      | _ \ { state = state, emit = [] },
 
     view = state \
       ui.positioned {
@@ -127,7 +132,7 @@ palette = config \
                           w = contentWidth,
                           h = textInputHeight,
                           selected = (state.focusedIndex == i),
-                          onClick = \ config.onSelect t
+                          onClick = onSelect
                         }) results)
                       ]
                     }
diff --git a/src/cg/10-os.cg b/src/cg/10-os.cg
index 32ecace..835d281 100644
--- a/src/cg/10-os.cg
+++ b/src/cg/10-os.cg
@@ -19,15 +19,17 @@ run = cmd \
     | _ \ noOp;
 
 onSelect = item \
-  _ = debug "onSelect" item;
-  item
-  | "" \ run osState.palette.query
-  | a \ inspect a;
+  # for now, if it matches a store item, inspect it
+  # if not, eval it
+  res = storeSearch item;
+  zeroth = nth 0 res;
+  (and (len res > 0) (nth 0 res == Some item))
+  | True \ inspect item
+  | _ \ run item;
 
 inspect = item \
   batch [
     osState.palette.visible := False,
-    osState.palette.query := "",
     osState.inspector.visible := True,
     osState.inspector.name := item
   ];
diff --git a/src/runtime-compiled.ts b/src/runtime-compiled.ts
index e73f2ff..54f62c2 100644
--- a/src/runtime-compiled.ts
+++ b/src/runtime-compiled.ts
@@ -241,10 +241,6 @@ export function runAppCompiled(app: App, canvas: HTMLCanvasElement, rt: any) {
             }
         };
 
-        console.log("keydown", e)
-        console.log("componentInstances", componentInstances)
-        console.log("focusedComponentKey", focusedComponentKey)
-
         if (focusedComponentKey) {
             // send to focused component
             handleComponentEvent(focusedComponentKey, event);
diff --git a/src/runtime-js.ts b/src/runtime-js.ts
index f910068..5d5a000 100644
--- a/src/runtime-js.ts
+++ b/src/runtime-js.ts
@@ -19,8 +19,8 @@ export const _rt = {
     max: (a: number) => (b: number) => Math.max(a, b),
     min: (a: number) => (b: number) => Math.min(a, b),
 
-    eq: (a: any) => (b: any) => ({ _tag: a === b ? 'True' : 'False' }),
-    neq: (a: any) => (b: any) => ({ _tag: a !== b ? 'True' : 'False' }),
+    eq: (a: any) => (b: any) => ({ _tag: deepEqual(a, b) ? 'True' : 'False' }),
+    neq: (a: any) => (b: any) => ({ _tag: deepEqual(a, b) ? 'False' : 'True' }),
     gt: (a: any) => (b: any) => ({ _tag: a > b ? 'True' : 'False' }),
     lt: (a: any) => (b: any) => ({ _tag: a < b ? 'True' : 'False' }),
     gte: (a: any) => (b: any) => ({ _tag: a >= b ? 'True' : 'False' }),
@@ -142,7 +142,6 @@ export const _rt = {
         return printed;
     },
     rebind: (name: string, pathOrValue: any, maybeValue?: any) => {
-        console.log("rebind", store, name, pathOrValue, maybeValue);
         if (maybeValue === undefined) {
             store[name] = pathOrValue;
         } else {
@@ -202,13 +201,17 @@ export const _rt = {
             const parser = new Parser(tokens, wrapped);
             const defs = parser.parse();
             const ast = defs[0].body;
+
             // validate free vars
-            // const free = freeVars(ast);
-            // const allowed = new Set([
-            //     ...Object.keys(store),
-            //     ...Object.keys(_rt),
-            //     'True'
-            // ])
+            const free = freeVars(ast);
+            const allowed = new Set([
+                ...Object.keys(store),
+                ...Object.keys(_rt)
+            ]);
+            const unknown = [...free].filter(v => !allowed.has(v));
+            if (unknown.length > 0) {
+                return { _tag: 'Err', _0: `Unknown: ${unknown.join(', ')}` };
+            }
 
             const compiled = compile(defs[0].body);
             const fn = new Function('_rt', 'store', `return ${compiled}`);
@@ -314,3 +317,17 @@ export function syncToAst(name: string) {
         saveDefinitions();
     }
 }
+
+function deepEqual(a: any, b: any): boolean {
+    if (a === b) return true;
+    if (a === null || b === null || typeof a !== 'object' || typeof b !== 'object') return false;
+    if (Array.isArray(a) !== Array.isArray(b)) return false;
+    if (Array.isArray(a)) {
+        if (a.length !== b.length) return false;
+        return a.every((v, i) => deepEqual(v, b[i]));
+    }
+    const keysA = Object.keys(a);
+    const keysB = Object.keys(b);
+    if (keysA.length !== keysB.length) return false;
+    return keysA.every(k => deepEqual(a[k], b[k]));
+}