...

lib/coffee_script/grammar.y

@@ -88,7 +88,12 @@ rule
 
   Block:
     Expression                        { result = Expressions.new(val) }
-  | INDENT Expressions OUTDENT        { result = val[1] }
+  | INDENT Expressions Outdent        { result = val[1] }
+  ;
+
+  Outdent:
+    /* nothing */
+  | OUTDENT
   ;
 
   # All tokens that can terminate an expression.

lib/coffee_script/lexer.rb

@@ -136,6 +136,7 @@ module CoffeeScript
         @indents.pop while @indents.last && ((@indents.last || 0) > size)
         @indent = @indents.last || 0
       end
+      @line += 1
       @i += (size + 1)
       token(tag, size)
     end