[Bugs] #2541 UNSP: Read can't save a PDF with a form

[Sugar Labs Bugs]

#2541: Read can't save a PDF with a form
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    Reporter:  godiard                    |          Owner:  godiard                    
        Type:  defect                     |         Status:  assigned                   
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  Read                       |        Version:  Git as of bugdate          
    Severity:  Unspecified                |       Keywords:                             
Status_field:  New                        |   Distribution:                             
   Seeta_dev:                             |  
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Changes (by sascha_silbe):

  * status:  new => assigned
 * cc: sascha_silbe (added)
  * version:  Unspecified => Git as of bugdate
  * milestone:  0.84 => Unspecified by Release Team
  * owner:  sayamindu => godiard
  * distribution:  Unspecified =>


Comment:

 This is a limitation of PDF that we'd need to work around by
  1. saving the entered values as part of the metadata (=> not preserved
 outside of Sugar) and
  1. saving a permanently modified version.


 1. requires upstream (i.e. [http://library.gnome.org/devel/libevview/
 libevview]) support first.
 2. would need to be an explicit user action since the original document
 wouldn't be recoverable from the filled-out version. But unlike 1. it can
 be implemented using the current evince API: by "printing" to a file.

 Note that at least evince 2.30.2 has a bug that causes it to not render
 fields that have been filled out, but not "left" (by clicking on a
 different part of the document) before printing. We might need to work
 around this in Read.

 In theory 1. would be an enhancement, but since not
 [http://wiki.sugarlabs.org/go/Human_Interface_Guidelines#The_Notion_of_.22Keeping.22
 preserving changes across Stop/resume] is violating the HIG I'll leave it
 marked as defect.

-- 
Ticket URL: <http://bugs.sugarlabs.org/ticket/2541#comment:1>
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