#10073: held variables aren't restored
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       Reporter:  kcrisman   |        Owner:  burcin
           Type:  defect     |       Status:  new
       Priority:  major      |    Milestone:  sage-6.4
      Component:  symbolics  |   Resolution:
       Keywords:             |    Merged in:
        Authors:             |    Reviewers:
Report Upstream:  N/A        |  Work issues:
         Branch:             |       Commit:
   Dependencies:             |     Stopgaps:
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Comment (by rws):

 Something has changed here, probably with #6882:
 {{{
 sage: I.log(hold=True).simplify()
 1/2*I*pi
 sage: var('I')
 I
 sage: I.log(hold=True).simplify()
 log(_I)
 sage: restore('I')
 sage: I.log(hold=True).simplify()
 log(I)
 sage: I.log()
 1/2*I*pi
 sage: I.log(hold=True).simplify_full()
 log(_I)
 }}}
 This is not encouraging.

--
Ticket URL: <http://trac.sagemath.org/ticket/10073#comment:7>
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