Reporting an issue

Thank you for taking an interest in rrule! Please include the following in
your report:

• Verify that you've looked through existing issues for duplicates before
  creating a new one
  Edit: later i found toText does not display the bysetpos values #75
• Code sample reproducing the issue. Be sure to include all input values you
  are using such as the exact RRule string and dates.
• Expected output
  RRULE:FREQ=MONTHLY;INTERVAL=1;WKST=MO;BYDAY=SU;BYSETPOS=2 --> every month on the second Sunday
  RRULE:FREQ=MONTHLY;INTERVAL=1;WKST=MO;BYDAY=SU;BYSETPOS=-1 --> every month on the last Sunday
  
  (Google Calendar)
• Actual output
  RRULE:FREQ=MONTHLY;INTERVAL=1;WKST=MO;BYDAY=SU;BYSETPOS=2 --> every month on Sunday
  RRULE:FREQ=MONTHLY;INTERVAL=1;WKST=MO;BYDAY=SU;BYSETPOS=-1 --> every month on Sunday

• The version of rrule you are using
  Online http://jakubroztocil.github.io/rrule/ --> I guess that is latest
• Your operating system
  Chrome Version 88.0.4322.0 (Official Build) canary (x86_64) on MacOSX
• Your local timezone (run $ date from the command line
  of the machine showing the bug)
  CET (Central European Time)