1 files changed, 2 insertions, 2 deletions
diff --git a/src/c.bqn b/src/c.bqn
index eaf221b3..fb4f88b1 100644
--- a/src/c.bqn
+++ b/src/c.bqn
@@ -46,8 +46,8 @@ Tokenize←{System‿vars←𝕨
   c←𝕩='#'⋄s←/0‿0⊸«⊸∧sm←𝕩='''⋄d←/dm←𝕩='"'
   g←⍋q←∾⟨  s⋄¯1↓d⋄/c⟩ ⋄q↩g⊏q                # Open indices
   e← g⊏∾⟨2+s⋄ 1↓d⋄-⟜»∘⊏⟜(0∾+`c)⊸//(𝕩∊lf)∾1⟩ # Matching close indices
-  Se←{(⊏˜𝕨)Se 1¨⌾((𝕩/𝕨)⊸⊏)𝕩}⍟(0=¯1⊑⊢)       # Mark reachable openings
-  St←(≠𝕩)↑·/⁼((≠↑∾⟜≠Se 1∾0¨)q⍋e)⊸/          # All indices → reached mask
+  Se←≠(>/⊢)∾⟜≠{(⊏˜𝕨)𝕊⍟(≠○(¯1⊸⊑))𝕩∾𝕩⊏𝕨}⟨0⟩˙  # Find reachable openings
+  St←(≠𝕩)↑·/⁼(Se q⍋e)⊸⊏                     # All indices → reached mask
   a←St q⋄b←St e⋄f←1≠`ab←a∨b                 # Open/close masks; filter
   {!⟨⊑/𝕩,"Unclosed quote"⟩}⍟(∨´)(sm∨dm)∧b<f