Now it is time for yet another text information file. This time is it
"CHANGES-beta". The contents is entirely news about the 21.5
version. So I guess there is no FSF text in there to worry about. "hg
log" provides a bunch of known contributors but there are many also
from when cvs was used.
I guess adding copyright from all contributors from hg log is straight
forward. Do we need to consider contributions before what hg log
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