twitter-list-fix.js

// ==UserScript==
// @name - Twitter List Delete
// @include http://twitter.com/*
// @author - t.ashula
// ==/UserScript==

(function(){
  opera.addEventListener(
    'BeforeScript',
    function(e){ 
      if ( e.element.src.match(/javascripts\/lists.js/ ) ) {
        opera.postError('patch lists.js');
        var r1 = /else{E\+="\/"\+K}\$.ajax\({type:H,/;      if ( r1.test(e.element.text) ) { opera.postError('R1 match ok'); }
        var r2 = /,type:"DELETE",dataType:"json",data:{a/g; if ( r2.test(e.element.text) ) { opera.postError('R2 match ok'); }
        e.element.text = e.element.text
          .replace(r1, "else{J['_method']='delete';E+=\"/\"+K}$.ajax({type:'POST',")
          .replace(r2, ",type:'POST',dataType:'json',data:{_method:'delete',a");
      }
    },
    false
  );
})();