[rtems-docs commit] eng: Add reference to unspecified interfaces

[Sebastian Huber]

Module:    rtems-docs
Branch:    master
Commit:    5cb493eeb169dfd6ed3debc0e5180aa2735cabb8
Changeset: http://git.rtems.org/rtems-docs/commit/?id=5cb493eeb169dfd6ed3debc0e5180aa2735cabb8

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri Aug  7 07:10:58 2020 +0200

eng: Add reference to unspecified interfaces

Update #3715.

---

 eng/req/items.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/eng/req/items.rst b/eng/req/items.rst
index e1b0aa3..cba6cc6 100644
--- a/eng/req/items.rst
+++ b/eng/req/items.rst
@@ -1563,6 +1563,10 @@ name
     The attribute value shall be a string. It shall be the name of the
     unspecified interface.
 
+reference
+    The attribute value shall be an optional string. If the value is present,
+    then it shall be an URL to the standard or specification of the interface.
+
 .. _SpecTypeInterfaceVariableItemType:
 
 Interface Variable Item Type