set-face-italic-p

set-face-italic-p is an alias for `set-face-italic' in `faces.el'.

(set-face-italic-p FACE ITALIC-P &optional FRAME)

This function is obsolete since 24.4;
use `set-face-italic' instead.

Specify whether face FACE is italic.
ITALIC-P non-nil means FACE should explicitly display italic.
ITALIC-P nil means FACE should explicitly display non-italic.
FRAME nil or not specified means change face on all frames.
Use `set-face-attribute' or `modify-face' for finer control.