The vtwm family tree

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1985  X10R3
1986  X10R4
      X10R6
                                        uwm
1987  X11R1
1988                                                twm          awm
1989  X11R4                    swm ------------------|
1990                            |                    |-- dwim(1)
                                |      vtwm(2) ------|
1991  X11R5          tvtwm -----|        |           |
1992           piewm --|        |       5.0          |------------------ ctwm
1993             |     |       9.4      5.1          |-- fvwm             |
                 |     |                 |           |    |               |
                 |     |    gamma(3) -- 5.2 -- 5.2b  |    |               |
1994  X11R6      |     |       |        5.3          |    |              3.1
1995             |    pl11     |         |           |   2.0 -- fvwm95    |
1997             |             |       5.4.2         |    |       |       |
1998            1.03                     |           |    |       |       |
1999             |                       |           |    |       |     3.5.2
2001             |                     5.4.6         |  2.4.8   2.0.43    |
2005		 |		       5.4.7         |	  |       |     2.6.0
2006            1.04                     |	     |    |       |     3.7.0
2007  X11R7.3    |			 |	     |  2.4.20    |     3.8.a

               		(1) Distributed as a patch
	                (2) The time-space continuum denies
	                    VTWM's birth - this marks 3.0
	                (3) Maintained by and for M.I.T.

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