Commits on Apr 17, 2019

1. ghostscript: Update version from 9.26 to 9.27 …

   [Release notes][1]:
   
   > IMPORTANT: It is our intention, within the next 12 months (ideally
   > sooner, in time for the next release) to make SAFER the default mode of
   > operation. For many users this will have no effect, since they use SAFER
   > explicitly, but some niche uses which rely on SAFER being disabled may
   > need to start explicitly adding the "-dNOSAFER" option.
   >
   > Highlights in this release include:
   >
   > *   We have extensively cleaned up the Postscript name space: removing
   > access to internal and/or undocumented Postscript operators, procedures
   > and data. This has benefits for security and maintainability.
   >
   > *   We have added a new "product": "gpdl". This is a rethink/redesign of
   > the old "language_switch" product (pspcl6), and includes all the
   > interpreters we develop based on the Ghostscript graphics library:
   > Postscript, PDF, PCL6, PXL and XPS. This is experimental, and should be
   > considered of beta testing quality, and thus is not built by default: it
   > can be built by using the "experimental" target.
   >
   > *   gpdl uses a heuristic to judge the file type being passed to it. In
   > general, it supports most of the widely used command line options for
   > each interpreter, but compatibility is not complete (the practicalities
   > of swapping interpreters means it is unlikely that full parity of
   > command line options will be possible).
   >
   > *   Fontmap can now reference invidual fonts in a TrueType Collection
   > for font subsitution. Previously, a Fontmap entry could only reference a
   > TrueType collection and use the default (first) font. Now, the Fontmap
   > syntax allows for specifying a specific index in a TTC. See the comments
   > at the top of (the default) Fontmap.GS for details.
   >
   > *   IMPORTANT: We are in the process of forking LittleCMS. LCMS2 is not
   > thread safe, and cannot be made thread safe without breaking the ABI.
   > Our fork will be thread safe, and include performance enhancements
   > (these changes have all be been offered and rejected upstream). We will
   > maintain compatibility between Ghostscript and LCMS2 for a time, but not
   > in perpetuity. Our fork will be available as its own package separately
   > from Ghostscript (and MuPDF).
   >
   > *   The usual round of bug fixes, compatibility changes, and incremental
   > improvements.
   
   [1]: https://www.ghostscript.com/doc/9.27/News.htm

   

   pmenzel committed Apr 17, 2019
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