#17958: implement declare_var, deprecate (None)var
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       Reporter:  rws        |        Owner:
           Type:  defect     |       Status:  new
       Priority:  major      |    Milestone:  sage-6.6
      Component:  symbolics  |   Resolution:
       Keywords:             |    Merged in:
        Authors:             |    Reviewers:
Report Upstream:  N/A        |  Work issues:
         Branch:             |       Commit:
   Dependencies:             |     Stopgaps:
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Comment (by vbraun):

 The var docstring (`var?`) contains
 {{{
    Note: The new variable is both returned and automatically
      injected into the global namespace. If you need symbolic variable
      in library code, it is better to use either SR.var() or
      SR.symbol().
 }}}

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Ticket URL: <http://trac.sagemath.org/ticket/17958#comment:47>
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