window_copy_pagedown shouldn't reset the mode anymore, instead let the caller do it so it can free the marks. Problem reported by attila at stalphonsos dot com.
window_copy_pagedown shouldn't reset the mode anymore, instead let the
caller do it so it can free the marks. Problem reported by attila at
stalphonsos dot com.

klaxalk/tmux,klaxalk/tmux,klaxalk/tmux,klaxalk/tmux,klaxalk/tmux