Issue #26316: Fix variable name typo in Argument Clinic

Misc/NEWS

@@ -256,6 +256,12 @@ Windows
 - Issue #26065: Excludes venv from library when generating embeddable
   distro.
 
+Tools/Demos
+-----------
+
+- Issue #26316: Fix variable name typo in Argument Clinic.
+
+
 What's New in Python 3.5.1 final?
 =================================
 

Tools/clinic/clinic.py

@@ -199,7 +199,7 @@ def linear_format(s, **kwargs):
             add('\n')
             continue
 
-        name, curl, trailing = trailing.partition('}')
+        name, curly, trailing = trailing.partition('}')
         if not curly or name not in kwargs:
             add(line)
             add('\n')