[mdspan.submdspan.*] Fix punctuation in itemized lists; use ", or".

Author: burblebee

source/containers.tex

@@ -21735,10 +21735,10 @@
 For each rank index $k$ of \tcode{src.extents()},
 exactly one of the following is true:
 \begin{itemize}
-\item $S_k$ models \tcode{\libconcept{convertible_to}<IndexType>}
-\item $S_k$ models \tcode{\exposconcept{index-pair-like}<IndexType>}
-\item \tcode{is_convertible_v<$S_k$, full_extent_t>} is \tcode{true}
-\item $S_k$ is a specialization of \tcode{strided_slice}
+\item $S_k$ models \tcode{\libconcept{convertible_to}<IndexType>},
+\item $S_k$ models \tcode{\exposconcept{index-pair-like}<IndexType>},
+\item \tcode{is_convertible_v<$S_k$, full_extent_t>} is \tcode{true}, or
+\item $S_k$ is a specialization of \tcode{strided_slice}.
 \end{itemize}
 
 \pnum
@@ -21859,10 +21859,10 @@
 For each rank index $k$ of \tcode{extents()},
 exactly one of the following is true:
 \begin{itemize}
-\item $S_k$ models \tcode{\libconcept{convertible_to}<index_type>}
-\item $S_k$ models \tcode{\exposconcept{index-pair-like}<index_type>}
-\item \tcode{is_convertible_v<$S_k$, full_extent_t>} is \tcode{true}
-\item $S_k$ is a specialization of \tcode{strided_slice}
+\item $S_k$ models \tcode{\libconcept{convertible_to}<index_type>},
+\item $S_k$ models \tcode{\exposconcept{index-pair-like}<index_type>},
+\item \tcode{is_convertible_v<$S_k$, full_extent_t>} is \tcode{true}, or
+\item $S_k$ is a specialization of \tcode{strided_slice}.
 \end{itemize}
 
 \pnum
@@ -22020,10 +22020,10 @@
 For each rank index $k$ of \tcode{src.extents()},
 exactly one of the following is true:
   \begin{itemize}
-  \item $S_k$ models \tcode{\libconcept{convertible_to}<index_type>}
-  \item $S_k$ models \tcode{\exposconcept{index-pair-like}<index_type>}
-  \item \tcode{is_convertible_v<$S_k$, full_extent_t>} is \tcode{true}
-  \item $S_k$ is a specialization of \tcode{strided_slice}
+  \item $S_k$ models \tcode{\libconcept{convertible_to}<index_type>},
+  \item $S_k$ models \tcode{\exposconcept{index-pair-like}<index_type>},
+  \item \tcode{is_convertible_v<$S_k$, full_extent_t>} is \tcode{true}, or
+  \item $S_k$ is a specialization of \tcode{strided_slice}.
   \end{itemize}
 \end{itemize}