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Import gnuplot 3.7

X11 changes for gnuplot 3.3
---------------------------

Enhancements
------------

   o VMS X11 support (Jehavi Bourvine)

   o New X11 rendering for 'points' plotting style improves point
     quality and eliminates the 'X11' terminal type whose only
     function was to request multi-colored points. (Russell Lang)

   o tailorable linewidths, dash styles, and point sizes (see
     the man page)

   o Color handling:

       - "colorname,intensity" where 0 < intensity < 1
         For example, 'blue,.5' means a half intensity blue

       - hexadecimal RGB colors accepted (needed for HP VUE)

       - Failure to parse/allocate a color defaults to black
         for that color rather than monochrome for whole plot

   o 'set term x11' assumed if '-display' option on command line.

Bug Fixes
---------

   o On monochrome servers, any lines plotted before the first label
     was printed were lost. This lost zero axes and garbled some
     other plots. (Kenneth H. Carpenter)

   o User specified geometry position ignored with some window managers.
     Negative positions miscalculated. (Mike Coleman)


Vendor Botch Circumventions
---------------------------

   o New X11FLAGS options:

      - OW_BOTCH circumvents "ld.so: Undefined symbol: __XtInherit"
        loader errors on Sun Open Windows platforms. (Vivek Khera)

      - ISC22 circumvents select() problem with ISC2.2 (Robert Eckardt)

      - BSD_TYPES pulls select FD_SET definitions from <sys/bsdtypes.h>
        (Michael Herrmann)

      - ULTRIX_KLUDGE expanded to circumvent missing demo plots at
        Ultrix 4.1 (chan@holo.iitsg.nrc.ca)

   o Random window geometry with Esix X11R3 (Al Bolduc)


Miscellaneous
-------------

   o The man page has been updated to document that background and
     foreground are not honored for monochrome displays, only -rv
     and 'gnuplot*reverseVideo:on'.

   o '-tvtwm' command line option and gnuplot*tvtwm resource

     Mike Coleman's fix for user-specified geometry position for
     other window managers causes tvtwm to use absolute rather
     then virtual-relative coordinates when the user specifies
     geometry. This command line option and resource tells
     gnuplot_x11 to use PPosition (virtual-relative) when a
     geometry position is requested.

     Unfortunately, negative y positions are off by the size of the
     window manager title bar. Thus, for example, -0-20 rather than
     -0-0 is needed to place the lower right corner of the window
     at the lower right corner of the screen.