Merge commit 'upstream/4.0.4'

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+2010-02-15  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* Tagged branch for release 4.0.4.
+
+	* VERSION, README, USAGE, configure.ac: Updated for release 4.0.4.
+
+	* README, USAGE: Reflected that libgs is not needed any more.
+
+2010-02-12  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* pdf.c, configure.ac: Removed dependency on libgs by calling
+	  Ghostscript via the command line. This makes packaging for Linux
+	  distributions easier and also building on Mac OS X and Solaris
+	  gets simplified (Bugs #303, #382, #384).
+
+2010-02-05  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* options.c, spooler.c: Made suppression of CUPS accounting PostScript
+	  code into a PostScript data stream actually working:
+	  PPD keyword is "*FoomaticRIPCommandLinePDF", value must be "true",
+	  and check of the ps_accounting variable must be done after parsing
+	  the PPD file (Ubuntu bug #513690).
+
+2010-02-03  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* postscript.c: Added NULL pointer check to avoid segfault when
+	  custom margins option is added to the PPD file via the
+	  alignmargins script (Bug #413, Debian bug #539676).
+
+2010-02-02  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* foomaticrip.c: If incoming PDF needs to get converted to
+	  PostScript remove /usr/lib/cups/filter from $PATH, so that
+	  "pdftops" of Poppler or XPDF gets called and not "pdftops" of
+	  CUPS. The latter has another command line and does undesired page
+	  management operations (Ubuntu bug #463059).
+
+2010-01-19  Lars Uebernickel <larsuebernickel@gmx.de>
+
+	* *.[ch], README: Added license headers to all source files and
+	  clarified in the README that the license is GPLv2 or later.
+
+2010-01-16  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* options.c: Fixed the previous revision to have bug #399 also
+	  fixed for float options.
+
+2010-01-15  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* options.c: When building the driver command line do not use the
+	  empty code fields of automatically generated choices of
+	  numerical options of Foomatic-based PPDs (bug #399).
+
+2009-08-19  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* Tagged branch for release 4.0.3.
+
+	* VERSION, README, USAGE, configure.ac: Updated for release 4.0.3.
+
+	* foomaticrip.c: If PDF input has to be converted to PostScript
+	  due to a PPD which does not support PDF (like the PPDs of the
+	  Foomatic "Postscript" driver), we try at first to use "pdftops"
+	  (Poppler) and only if this fails we use Ghostscript. This is
+	  because Ghostscript blows up PDFs to huge PostScript
+	  files (which many PostScript printers failed on), whereas
+	  Poppler's output stays compact. As "pdftops" does not support
+	  reading from stdin, we create a temporary file with the input
+	  before starting to convert. Note that "pdftops" will get only
+	  used if it has the "-origpagesizes" option (Poppler 0.11.x or
+	  newer), as otherwise documents with pages of different sizes do
+	  not get converted correctly (bug #365).
+
+	* pdf.c, util.c, util.h: Moved temp_dir() function from pdf.c to util.c
+	  as it is now also needed by foomaticrip.c.
+
+	* foomaticrip.c: Fixed LPRng support (bug #337): PPD file names
+	  were not read correctly from /etc/printcap (PRINTCAP_ENTRY
+	  environment variable), starting 8 characters after the beginning
+	  of the path and not stopping at a colon. Also the last command
+	  line argument of the foomatic-rip call was always considered the
+	  name of the PPD file, even if the PPD file name was already
+	  determined by the PRINTCAP_ENTRY environment variable or the
+	  "--ppd" command line argument.
+
+2009-07-01  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* foomaticrip.c: Do not use JCL which is preceeded to the input
+	  data. We can generate it on our own and even merge it with the JCL
+	  coming from the driver.
+
+	* renderer.c: Make sure that "@PJL SET ..." commands from the PPD
+	  file do not get nmerged into the driver's PJL header too early,
+	  expecially not before "@PJL JOB ..." lines, as then the commands
+	  get ignored. This happened especially with the "InputSlot"
+	  option for the "cdnj500" driver.
+
+2009-06-24  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* Tagged branch for release 4.0.2.
+
+	* VERSION, README, USAGE, configure.ac: Updated for release 4.0.2.
+
+2009-05-31  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* configure.ac: Add support for cups-config (bug #349).
+
+2009-05-27  Till Kamppeter <till.kamppeter@gmail.com>
+
+	* renderer.c: Fixed no-return-in-nonvoid-function compiler warning
+	  caused by the write_binary_data() function (bug #348).
+
 2009-04-23  Till Kamppeter <till.kamppeter@gmail.com>
 
 	* Re-tagged branch for release 4.0.1.