From a4d2b869b9d582abcad178d930374a26a6e743fb Mon Sep 17 00:00:00 2001
From: Neal Norwitz <nnorwitz@gmail.com>
Date: Wed, 9 Jul 2003 12:41:55 +0000
Subject: Add versionadded.  Remove duplicate "to"

---
 Doc/lib/libthread.tex | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Doc/lib/libthread.tex b/Doc/lib/libthread.tex
index d2a34a1..052867f 100644
--- a/Doc/lib/libthread.tex
+++ b/Doc/lib/libthread.tex
@@ -45,7 +45,8 @@ then the thread exits (but other threads continue to run).
 
 \begin{funcdesc}{interrupt_main}{}
 Raise a KeyboardInterrupt in the main thread.  A subthread can use this
-function to to interrupt the main thread.
+function to interrupt the main thread.
+\versionadded{2.3}
 \end{funcdesc}
 
 \begin{funcdesc}{exit}{}
-- 
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