From 692eb45def187e2f2dbe7e40eacf27b2058c88bd Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Thu, 12 Aug 2021 07:31:36 -0400
Subject: math: Rename 2pi to tau.

---
 doc/api.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'doc/api.texi')

diff --git a/doc/api.texi b/doc/api.texi
index 96ac394..68cffef 100644
--- a/doc/api.texi
+++ b/doc/api.texi
@@ -581,7 +581,7 @@ approximation that is ``good enough.''
 Half of @var{pi}.
 @end defvar
 
-@defvar 2pi
+@defvar tau
 Twice @var{pi}.
 @end defvar
 
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