Second attempt to fix the doc

Doc/c-api/time.rst

@@ -22,7 +22,7 @@ range is around [-292.3 years; +292.3 years]. Using the Unix epoch (January
 Time formats:
 
 * Seconds.
-* Seconds as a floating pointer number (C :c:type:`double`).
+* Seconds as a floating pointer number (C :c:expr:`double`).
 * Milliseconds (10\ :sup:`-3` seconds).
 * Microseconds (10\ :sup:`-6` seconds).
 * 100 nanoseconds (10\ :sup:`-7` seconds), used on Windows.
@@ -88,7 +88,7 @@ Functions
 
 .. c:function:: double PyTime_AsSecondsDouble(PyTime_t t)
 
-   Convert a timestamp to a number of seconds as a C :c:type:`double`.
+   Convert a timestamp to a number of seconds as a C :c:expr:`double`.
 
    The function cannot fail.
 

Doc/conf.py

@@ -237,12 +237,12 @@
     ('py:meth', '_SubParsersAction.add_parser'),
 ]
 
-# gh-106948: Copy standard C types declared in the "c:type" domain to the
-# "c:identifier" domain, since "c:function" markup looks for types in the
-# "c:identifier" domain. Use list() to not iterate on items which are being
-# added
+# gh-106948: Copy standard C types declared in the "c:type" domain and C
+# structures declared in the "c:struct" domain to the "c:identifier" domain,
+# since "c:function" markup looks for types in the "c:identifier" domain. Use
+# list() to not iterate on items which are being added
 for role, name in list(nitpick_ignore):
-    if role == 'c:type':
+    if role in ('c:type', 'c:struct'):
         nitpick_ignore.append(('c:identifier', name))
 del role, name