File psl-1983/3-1/doc/nmode/nm-replacement.contents artifact 39305394f3 part of check-in d9e362f11e

contents_entry(0 19 {Replacement Commands} 19-1)
contents_entry(1 19.1 {Query Replace} 19-1)
contents_entry(1 19.2 {Other Search-and-loop Functions} 19-1)