ignore-window-parameters

ignore-window-parameters is a variable defined in `window.el'.
Its value is

nil

Documentation:
If non-nil, standard functions ignore window parameters.
The functions currently affected by this are `split-window',
`delete-window', `delete-other-windows' and `other-window'.

An application may bind this to a non-nil value around calls to
these functions to inhibit processing of window parameters.