Arthur de Jong

Open Source / Free Software developer

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-rw-r--r--stdnum/us/itin.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/stdnum/us/itin.py b/stdnum/us/itin.py
index bde97b7..6233e89 100644
--- a/stdnum/us/itin.py
+++ b/stdnum/us/itin.py
@@ -45,6 +45,8 @@ InvalidComponent: ...
'123456789'
>>> format('111223333')
'111-22-3333'
+>>> format('123') # unknown formatting is left alone
+'123'
"""
import re