/usr/share/jed/lib/cua.hlp is in jed-common 1:0.99.19-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | Basic Commands in CUA mode:
File: Region: Search/Replace: Edit: Emergency:
^Q exit ^C copy ^FF find forward ^A mark all ^H/F1 help
^O open ^X kill ^L/F3 find next ^B format paragraph ^Z undo
^S/F2 save ^V paste ^FE regexp search ^K kill line ^D abort
^P print ^FR replace ^J goto line
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