1 files changed, 3 insertions(+), 2 deletions(-)

M src/Data/CSS/Preprocessor/Text.hs

@@ 304,8 304,9 @@ t = flip StyleTree []
 type Context = M.HashMap Text [([Integer], Int)]
 
 inheritCounters :: Context -> Context -> Context
-inheritCounters counterSource valueSource = M.intersectionWith cb valueSource counterSource -- indexed by name & el-path
-    where cb val source = [counter | counter@(path, _) <- val, path `elem` [p | (p, _) <- source]]
+inheritCounters counterSource valueSource = M.unionWith cb valueSource counterSource -- indexed by name & el-path
+    where cb val source = [counter | counter@(path, _) <- val,
+                            path `elem` [p | (p, _) <- source]]
 
 instantiateCounter :: Context -> Path -> Text -> Int -> Context
 instantiateCounter counters path name val = M.insertWith appendCounter name [(path, val)] counters