[mdspan.sub.map.sliceable] Add \tcode for submdspan (#8662)

Author: Andreas-Krug

source/containers.tex

@@ -26063,7 +26063,7 @@
     \tcode{j...[$\rho$]} is equal to the sum of
     \begin{itemize}
     \item
-      the lower bound of the submdspan slice range of \tcode{valid_slices...[$\rho$]}
+      the lower bound of the \tcode{submdspan} slice range of \tcode{valid_slices...[$\rho$]}
       for extent $\rho$ of \tcode{m.extents()}, and
     \item
       zero if the type of \tcode{valid_slices...[$\rho$]} is a collapsing slice type,