It does not seem to make a difference:
16:44:17.891328 tramp-sh-handle-file-local-copy (3) # Encoding remote file ‘/plink:address@hidden:/home/docs/didierf/Projects/akamai-netstorage-keys/README.md’ with ‘base64 <%s’...done
16:44:17.892328 tramp-sh-handle-file-local-copy (3) # Decoding local file ‘c:/Users/fortdg/AppData/Roaming/.emacs.d/tmp/
tramp.87836Uvp.md’ with ‘base64-decode-region’...
16:44:17.903329 tramp-sh-handle-file-local-copy (3) # Decoding local file ‘c:/Users/fortdg/AppData/Roaming/.emacs.d/tmp/
tramp.87836Uvp.md’ with ‘base64-decode-region’...done
16:44:17.904329 tramp-call-process (6) # ‘chown 210247:513 c\:/Users/fortdg/AppData/Roaming/.emacs.d/tmp/
tramp.87836Uvp.md’ nil nil
16:45:06.343173 tramp-call-process (6) # 1
/usr/bin/chown: cannot access 'c\:/Users/fortdg/AppData/Roaming/.emacs.d/tmp/
tramp.87836Uvp.md': No such file or directory
16:45:06.349173 tramp-handle-insert-file-contents (3) # Inserting ‘/plink:address@hidden:/home/docs/didierf/Projects/akamai-netstorage-keys/README.md’...done
16:45:06.350173 tramp-send-command (6) # test -e /home/docs/didierf/Projects/akamai-netstorage-keys/README.md 2>/dev/null; echo tramp_exit_status $?
Regards,
Didier