Emacs: line-move-visual
what is line-move-visual variable
line-move-visual is a variable.
If value is true, arrow up/down moves by visual line. Else, logical line.
To set to logical line, Alt+x set-variable, then give line-move-visual, with value nil. (t for true; nil for false).
in
Emacs 23 (date 2009-07),
default value of line-move-visual is t.
Command to toggle line-move-visual
Alt+x global-visual-line-mode
what is line-move-visual function
line-move-visual
is also a function.
(line-move-visual ARG &optional NOERROR)
Move ARG lines forward.