gh-150837: Clarify closure wording in function tutorial#151038
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Variable lookup uses the local symbol tables of functions enclosing the definition, not the function enclosing the call site.
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Summary
Clarifies that variable references in a function look up names in the local symbol tables of functions enclosing the definition, not the function enclosing the call site.
Fixes #150837
Changes
Doc/tutorial/controlflow.rstin the "Defining Functions" section.Documentation-only change; no NEWS entry needed.
Test plan
cd Doc && make html) and verified the updated paragraph renders intutorial/controlflow.html.Made with Cursor