@code{\textLengthOff}. Alternatively, @code{\once} may be used
with @code{\textLengthOn} if the effect is to be limited to just a
single musical moment.
-The corresponding spacing behavior for rehearsal marks and tempo
-indications is independently controlled with the commands
-@code{\markLengthOn} and @code{\markLengthOff}.
@cindex markup text, allowing collisions