DO Command Fails in Alias with a Parameter for Count or Condition

Shouldn't the alias shown below work?

alias zz & zz one two three

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echo Parameter count = %# & do %# (echo test)
Parameter count = 3
Usage : DO [n | FOREVER]

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It's not only the parameter %# that doesn't work with DO.

alias zz & zz one two three

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set count=%# & echo Parameter count = %count & do %count (echo test)
Parameter count = 3
Usage : DO [n | FOREVER]

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DO does accept parameters when run directly from the command line rather than an alias.

set count=3...

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