provide alternative to syntax-ppss for older versions of xemacs
provide alternative to syntax-ppss for older versions of xemacs

gorakhargosh/go-mode.el,codemac/go-mode.el,tjyang/go-mode.el,ibukanov/go-mode.el,magastzheng/go-mode.el,dominikh/go-mode.el,kimiby/go-mode.el,emacsmirror/go-mode,artemave/go-mode.el