been downloaded. Because of that, much of the work done by @samp{-k}
will be performed at the end of the downloads.
+@cindex backing up converted files
+@item -K
+@itemx --backup-converted
+When converting a file, back up the original version with a @samp{.orig} suffix.
+
@item -m
@itemx --mirror
Turn on options suitable for mirroring. This option turns on recursion
Enable/disable going to background, the same as @samp{-b} (which enables
it).
+@item backup_converted = on/off
+Enable/disable saving pre-converted files with the suffix @samp{.orig}
+-- the same as @samp{-K} (which enables it).
+
@c @item backups = @var{number}
@c #### Document me!
@item base = @var{string}