Costumizing line wrapping in Xemacs

1. Open Xemacs.
2. Choose options -> Advanced -> Emacs -> Emacs...
3. Click on "Editing group"
4. Click on "Fill group"
5. In the field column choose "132" as a column where you want to wrap the line
6. Hit the "save" button

Now hit "alt+m" in your Editor window and type "auto-fill-mode" and hit return. From now on the line will be wrapped at column 132!