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diff --git a/docs/nspr/reference/pr_prev_link.rst b/docs/nspr/reference/pr_prev_link.rst
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+PR_PREV_LINK
+============
+
+Returns the preceding element in a list.
+
+
+Syntax
+------
+
+.. code::
+
+   #include <prclist.h>
+
+   PRCList *PR_PREV_LINK (PRCList *elemp);
+
+
+Parameter
+~~~~~~~~~
+
+``elemp``
+   A pointer to the element.
+
+
+Returns
+~~~~~~~
+
+A pointer to a list element.
+
+
+Description
+-----------
+
+:ref:`PR_PREV_LINK` returns a pointer to the element preceding the
+specified element. It can be used to traverse a list. The preceding
+element is not removed from the list.