→samp: because the dark gray colour of the text of <samp> is nearly the same to the black of plain text, so it us useful to place a plain text next to the example, similar to <kbd> where it is already done with "Press <kbd>Enter</kbd>"
→code: dito for <code>: because the light gray background of <code> is nearly the same to the light gray of plain text in wikitables, it us useful to place a plain text next to the example, similar to <kbd> where it is already done with "Press <kbd>Enter</kbd>"
