While testing the new command-line handling, I tried actually using
that option for the first time in a long time, and saw
These are the fingerprints of the PuTTY PGP Master Keys. They
can
be used to establish a trust path from this executable to another
one. See the manual for more information.
because Windows MessageBox() had done its own wrapping on the text, at
a slightly narrower width than the one implied by the hard newlines in
the input string. Removed the mid-paragraph newlines, so that
Windows's wrapping will be the only wrapping.