Experimental Physics and
Industrial Control System

** Changed in: epics-base/3.15
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1810946

Title:
  MSI doesn't handle empty substitution patterns correctly

Status in EPICS Base:
  Fix Released
Status in EPICS Base 3.15 series:
  Fix Released
Status in EPICS Base 7.0 series:
  Fix Released

Bug description:
  EPICS 3.15.6 doesn't handle empty substitution patterns correctly
  anymore:

  file "a.db" {
    { }
  }

  results in

  msi: Parse error, unexpected '}'

  No problems with older versions of Base. I'm able to work around the
  problem by using:

  file "a.db" {
    { DUMMY="" }
  }

  This regression was introduced by the following commit:

  https://git.launchpad.net/epics-
  base/commit/?h=3.15&id=67e2b74758982fd46be5529e28fcb93fd7eb59ad

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