[MacPorts] #18362: Add djvu driver to ghostscript

[MacPorts]

#18362: Add djvu driver to ghostscript
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 Reporter:  andrea.damore@…             |       Owner:  takanori@…           
     Type:  enhancement                 |      Status:  new                  
 Priority:  Normal                      |   Milestone:  Port Enhancements    
Component:  ports                       |     Version:  1.7.0                
 Keywords:  ghostscript gsdjvu          |        Port:  ghostscript          
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Comment(by takanori@…):

 Thanks for your suggestions.
 But I think it is difficult to support DjVu in Ghostscript for some
 reasons.

 First of all, GSDjVu is distributed under the Common Public License
 Version V1.0 (CPL)
 which is not compatible with the license of GPL Ghostscript.

 As you know, mixing these licenses causes many restrictions and unneeded
 confusions.
 Therefore, in my view, we shouldn't support such rude software even if it
 is as a variant.

 Second, I don't think it is necessary to support DjVu in Ghostscript
 because there are already
 independent tools to convert PDF into DjVu format.
 (e.g. pdf2djvu. Some tools are commercial products though.)

 Third, I am not interested in DjVu at all, so I won't be able to keep
 maintaining it.. ;-(

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Ticket URL: <http://trac.macports.org/ticket/18362#comment:1>
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