Issue #24952: Clarify default argument of stack_size() in threading, _thread
Patch from Mattip.
diff --git a/Doc/library/threading.rst b/Doc/library/threading.rst
index 5269994..c56d707 100644
--- a/Doc/library/threading.rst
+++ b/Doc/library/threading.rst
@@ -89,7 +89,8 @@
Return the thread stack size used when creating new threads. The optional
*size* argument specifies the stack size to be used for subsequently created
threads, and must be 0 (use platform or configured default) or a positive
- integer value of at least 32,768 (32 KiB). If changing the thread stack size is
+ integer value of at least 32,768 (32 KiB). If *size* is not specified,
+ 0 is used. If changing the thread stack size is
unsupported, a :exc:`RuntimeError` is raised. If the specified stack size is
invalid, a :exc:`ValueError` is raised and the stack size is unmodified. 32 KiB
is currently the minimum supported stack size value to guarantee sufficient