Q3.0.9: What is Customize?

Starting with XEmacs 20.2 there is new system ’Customize’ for customising SXEmacs options.

You can access Customize from the Options menu or invoking one of customize commands by typing eg. M-x customize, M-x customize-face, M-x customize-variable or M-x customize-apropos.

Also try out with M-x customize-browse