[MacPorts] #68606: smlnj: update to the new version, retain current as smlnj-legacy (following upstream)

[MacPorts]

#68606: smlnj: update to the new version, retain current as smlnj-legacy (following
upstream)
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  Reporter:  barracuda156   |      Owner:  tobypeterson
      Type:  defect         |     Status:  assigned
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.8.1
Resolution:                 |   Keywords:  arm64
      Port:  hamlet, smlnj  |
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Comment (by barracuda156):

 Replying to [comment:7 ryandesign]:
 > Except, I suppose, if [https://github.com/smlnj/legacy upstream
 maintains a separate development line by that name].

 Yes, this is what I referred; here it is upstream-chosen (I submitted a
 patch for PowerPC there earlier, so knew the repo).

-- 
Ticket URL: <https://trac.macports.org/ticket/68606#comment:8>
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