Re: viper and gnus in 21.0-b67

> I have just installed xemacs 21.0-b67, and a sumo tarball dated 1999-03-12 > on Solaris 1.5.1 (sparc) and RH GNU/Linux 5.2 (i686). Compilation, > installation, and start-up all went great. > > On both platforms, after loading viper, I am told: > > Symbol's function definition is void: vc-backend > > whenever I try to save a file via: > > ESC : [w|x] RET Viper requires some functions defined in vc-hooks.el It seems that vc.el is not installed at your site. (Probably a dependency on vc-hooks is missing in the viper package.)