1 files changed, 1 insertions, 0 deletions
diff --git a/src/css.hh b/src/css.hh
index 515831e9..9acdb0e9 100644
--- a/src/css.hh
+++ b/src/css.hh
@@ -223,6 +223,7 @@ class CssSelector {
 
    private:
       struct CombinatorAndSelector {
+         int notMatchingBefore; // used for optimizing CSS selector matching
          Combinator combinator;
          CssSimpleSelector selector;
       };