[Bug 1570987] Re: backuppc: Lib.pm: Unescaped left brace in regex is deprecated

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** Tags added: patch

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https://bugs.launchpad.net/bugs/1570987

Title:
  backuppc: Lib.pm: Unescaped left brace in regex is deprecated

Status in backuppc package in Ubuntu:
  New
Status in backuppc package in Debian:
  New

Bug description:
  Starting the backuppc services results in those warnings:

  Apr 15 15:56:52 bck backuppc[700]: Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\${ <-- HERE (\w+)}(\+?)/ at /usr/share/backuppc/lib/BackupPC/Lib.pm line 1281.
  Apr 15 15:56:52 bck backuppc[700]: Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/(.*)\${ <-- HERE (\w+)}(\+?)(.*)/ at /usr/share/backuppc/lib/BackupPC/Lib.pm line 1286.

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