Should 'old-branches' and 'other-branches' be kept?

[Eric S. Raymond]

I'm looking at the old0branches and other-branches remote groups.  It
seems pretty clear that most of these were either marged to trunk or
abandoned during the CVS period.  Are any of them worth keeping
around?

old-branches/EMACS_21_1_RC
old-branches/EMACS_22_BASE
old-branches/EMACS_23_1_RC
old-branches/NewVC-fileset
old-branches/branch-5_8
old-branches/cedet-branch
old-branches/elpa
old-branches/emacs-unicode
old-branches/emacs-unicode-2
old-branches/font-backend
old-branches/gerd_defvaralias
old-branches/gnus-5_10-branch
old-branches/imagemagick
old-branches/lexbind
old-branches/lexbind-new
old-branches/multi-tty
old-branches/pending
old-branches/profiler
old-branches/python
old-branches/rmail-mbox-branch
old-branches/unicode-xft
old-branches/window-pub
other-branches/Boehm-GC
other-branches/Boehm-versions
other-branches/DAVELOVE
other-branches/FLYSPELL
other-branches/ILYA
other-branches/URL
other-branches/VENDOR
other-branches/XFT_JHD_BRANCH
other-branches/custom_themes
other-branches/fx-branch
other-branches/gerd_0001
other-branches/gerd_big
other-branches/gerd_dbe
other-branches/gerd_int
other-branches/glibc-2_0_x
other-branches/master-UNNAMED-BRANCH
other-branches/miles-orphaned-changes
other-branches/old-bidi
other-branches/old-concurrency
other-branches/patches_21_0
other-branches/test2
other-branches/thomas-posix1996
other-branches/ttn-vms-21-2-stash
other-branches/ttn-vms-21-3-stash

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                                >>esr>>