diff --git a/check_layout.output b/check_layout.output
index a781a83..8bd469a 100644
--- a/check_layout.output
+++ b/check_layout.output
@@ -64,7 +64,8 @@ Layout includes some ASCII punctuation but not all, missing: $
 Layout redefines the bottom row but some important keys are missing, missing: cursor_left, cursor_right, loc end, loc home, loc page_down, loc page_up, loc switch_greekmath, loc voice_typing, switch_backward
 2 warnings
 # latn_colemak
-0 warnings
+Some keys contain whitespaces, unexpected:  ́
+1 warnings
 # latn_dvorak
 0 warnings
 # latn_neo2
@@ -120,4 +121,5 @@ Layout doesn't define some important keys, missing: f11_placeholder, f12_placeho
 Duplicate keys:  
 Layout includes some ASCII punctuation but not all, missing: <, >, ?, `, |, ~
 Layout doesn't define some important keys, missing: f11_placeholder, f12_placeholder
-3 warnings
+Some keys contain whitespaces, unexpected:  
+4 warnings
diff --git a/check_layout.py b/check_layout.py
index 067098d..96e9164 100644
--- a/check_layout.py
+++ b/check_layout.py
@@ -80,6 +80,8 @@ def check_layout(layout):
                      "f10", "f11", "f12" ],
                     "Layout contains function keys")
     unexpected_keys(keys, [""], "Layout contains empty strings")
+    unexpected_keys(keys, ["loc"], "Special keyword cannot be a symbol")
+    unexpected_keys(keys, filter(lambda k: k.strip()!=k, keys), "Some keys contain whitespaces")
 
     _, bottom_row_keys, _ = parse_row("res/xml/bottom_row.xml")