/n/sources/patch/applied/acid.append-to-empty-list-variable/readme

Plan 9 from Bell Labs’s /n/sources/patch/applied/acid.append-to-empty-list-variable/readme

Copyright © 2009 Alcatel-Lucent.
Distributed under the Lucent Public License version 1.02.
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Appending to a list variable X should append the succeeding value(s) to X
regardless of whether X is currently empty or not.

Before:

  acid: l={}
  acid: append l, 1
  {0x00000001}
  acid: l
  acid: 

With this patch:

  acid: l={}
  acid: append l, 1
  {0x00000001}
  acid: l
  {0x00000001}
  acid:

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