@item Enter one manuscript (the physical copy) system at a time (but still
only one bar per line of text), and
check each system when you finish it. You may use the
-@code{showLastLength} command to speed up processing -- see
-@ruser{Skipping corrected music}.
+@code{showLastLength} or @code{showFirstLength} properties to speed up
+processing -- see @ruser{Skipping corrected music}.
@item Define @code{mBreak = @{ \break @}} and insert @code{\mBreak}
in the input file whenever the manuscript has a line break. This