on-load-file in editor<%>
Called just before the editor is loaded from a file, after calling
can-load-file? to verify that the load is allowed. See also
after-load-file.
( -> void
send an-editor on-load-file filename format)
filename : string
format : symbol in '(guess standard text text-force-cr same copy)
The filename argument is the name the file will be loaded
from. See
load-file for information about format.