The Notation Reference says [1]: " omit [music] - item (symbol list or
music): Set item's "stencil" property to #f, effectively omitting it
without taking up space. "
However, when applied to dynamics, space is taken up. This is
inconvenient, as one has to resort to \tag #'pdf {...} and \tag #'mi
First, an apology to the developers, and in particular to Harm, for my
previous, hasty, attempt to report this in March, which must have
appeared selfishly peremptory. Fortunately the message seems not to
have reached this list and, now that there's a gap in the rest of life I
can have another go:
