#8776: notebook: sage notebook undo doesn't really work, due to not enough (=no)
automatic snapshots, or other bugs
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   Reporter:  was       |          Owner:  jason, was                           
    
       Type:  defect    |         Status:  new                                  
    
   Priority:  major     |      Milestone:  sage-4.7.2                           
    
  Component:  notebook  |       Keywords:                                       
    
Work_issues:            |       Upstream:  Reported upstream. Little or no 
feedback.
   Reviewer:            |         Author:                                       
    
     Merged:            |   Dependencies:                                       
    
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Comment(by schymans):

 Maybe it was a stupid thing to try, but the patch does not apply to sage
 4.7.1. Here is the output I get:

 {{{
 sage: hg_sage.apply("/home/uname/Downloads/sage/trac_8776-sagenb-
 undo.2.patch")
 cd "/home/uname/Programs/sage-test/devel/sage" && hg status
 cd "/home/uname/Programs/sage-test/devel/sage" && hg status
 cd "/home/uname/Programs/sage-test/devel/sage" && hg import
 "/home/uname/Downloads/sage/trac_8776-sagenb-undo.2.patch"
 applying /home/uname/Downloads/sage/trac_8776-sagenb-undo.2.patch
 internal patcher failed
 please report details to http://mercurial.selenic.com/bts/
 or [email protected]
 /home/uname/Programs/sage-test/local/bin/patch: **** Only garbage was
 found in the patch input.
 abort: patch command failed: exited with status 512
 }}}

 Is this a problem with mercurial as suggested in the output, or with the
 patch under the current sage?

 Cheers
 Stan

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8776#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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