From 815dfc3e12f127d3c55438b0f784aa515e3812a5 Mon Sep 17 00:00:00 2001
From: Tyge Løvset <60263450+tylov@users.noreply.github.com>
Date: Sun, 3 Jan 2021 23:04:33 +0100
Subject: Update cptr_api.md

---
 docs/cptr_api.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/cptr_api.md b/docs/cptr_api.md
index 7cc7aa88..1fa344ae 100644
--- a/docs/cptr_api.md
+++ b/docs/cptr_api.md
@@ -14,12 +14,12 @@ Raw pointers and shared pointers (**csptr**) may be used as items of containers.
 
 #define using_csptr(X, Value, valueCompare=c_default_compare,
                               valueDestroy=c_default_del,
-                              valueClone=c_default_clone)
+                              valueClone=ignored)
 ```
 The macro `using_cptr()` must be instantiated in the global scope. `X` is a type tag name and will
 affect the names of all cptr types and methods. E.g. declaring `using_cptr(my, cvec_my);`,
 `X` should be replaced by `my` in all of the following documentation.
-Note that if valueDestroy is specified and not *valueClone*, it expects *Value_clone* to be defined
+Note: for shared-ptr csptr, "cloning" is done by pointer sharing (ref counting), so valueClone is not required and ignored.
 
  Types
 
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