From 9c2498a728370d395ce7fc22ce58a79008297b3e Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Tue, 9 May 2023 13:59:28 +0200
Subject: eng: Add unspecified header file item type

Update #3715.
---
 eng/req/items.rst | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/eng/req/items.rst b/eng/req/items.rst
index 783800f..cdec0db 100644
--- a/eng/req/items.rst
+++ b/eng/req/items.rst
@@ -95,6 +95,8 @@ The specification item types have the following hierarchy:
 
     * :ref:`SpecTypeInterfaceTypedefItemType`
 
+    * :ref:`SpecTypeInterfaceUnspecifiedHeaderFileItemType`
+
     * :ref:`SpecTypeInterfaceUnspecifiedItemType`
 
     * :ref:`SpecTypeInterfaceVariableItemType`
@@ -1155,6 +1157,8 @@ This type is refined by the following types:
 
 * :ref:`SpecTypeInterfaceTypedefItemType`
 
+* :ref:`SpecTypeInterfaceUnspecifiedHeaderFileItemType`
+
 * :ref:`SpecTypeInterfaceUnspecifiedItemType`
 
 * :ref:`SpecTypeInterfaceVariableItemType`
@@ -1530,6 +1534,24 @@ params
 return
     The attribute value shall be an :ref:`SpecTypeInterfaceReturnDirective`.
 
+.. _SpecTypeInterfaceUnspecifiedHeaderFileItemType:
+
+Interface Unspecified Header File Item Type
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+This type refines the :ref:`SpecTypeInterfaceItemType` through the
+``interface-type`` attribute if the value is ``unspecified-header-file``. This
+set of attributes specifies an unspecified header file. All explicit attributes
+shall be specified. The explicit attributes for this type are:
+
+path
+    The attribute value shall be a string. It shall be the path used to include
+    the header file.  For example :file:`rtems/confdefs.h`.
+
+references
+    The attribute value shall be a list. Each list element shall be an
+    :ref:`SpecTypeExternalReference`.
+
 .. _SpecTypeInterfaceUnspecifiedItemType:
 
 Interface Unspecified Item Type
@@ -3815,6 +3837,8 @@ This type is refined by the following types:
 
 This type is used by the following types:
 
+* :ref:`SpecTypeInterfaceUnspecifiedHeaderFileItemType`
+
 * :ref:`SpecTypeInterfaceUnspecifiedItemType`
 
 * :ref:`SpecTypeRequirementItemType`
-- 
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