Minor
diff --git a/pyotlss.py b/pyotlss.py
index ebc39af..b4d9113 100755
--- a/pyotlss.py
+++ b/pyotlss.py
@@ -344,12 +344,16 @@
@add_method(fontTools.ttLib.tables.otTables.LookupList)
def closure_lookups (self, lookup_indices):
+ lookup_indices = unique_sorted (lookup_indices)
+ recurse = lookup_indices
while True:
- recurse_lookups = sum ((self.Lookup[i].collect_lookups () for i in lookup_indices), [])
+ recurse_lookups = sum ((self.Lookup[i].collect_lookups () for i in recurse), [])
recurse_lookups = [l for l in recurse_lookups if l not in lookup_indices]
if not recurse_lookups:
- return lookup_indices
- lookup_indices = unique_sorted (lookup_indices + recurse_lookups)
+ return unique_sorted (lookup_indices)
+ recurse_lookups = unique_sorted (recurse_lookups)
+ lookup_indices.extend (recurse_lookups)
+ recurse = recurse_lookups
@add_method(fontTools.ttLib.tables.otTables.Feature)
def subset_lookups (self, lookup_indices):