description: merge-value seq merges coeff's and label's into a single number works with superpositions, and sequences examples: -- superposition example: merge-value (0|3> + 3|1> + 5|2>) |13> -- sequence of superpositions example: merge-value (0|3> + 1|7> . 4|2> + 5|3> + 4|5>) |50> note: where is this even used? Can we get rid of it? looks like first version of walking-ant.sw uses it.