livepreview.js
and
livepreview_quick.js (if qr addition is installed)
find
Code: Select all
xmlHttp.setRequestHeader("Content-length", params.length);
xmlHttp.setRequestHeader("Connection", "close");
replace with
Code: Select all
// xmlHttp.setRequestHeader("Content-length", params.length);
// xmlHttp.setRequestHeader("Connection", "close");
background:
current browsers dont need this
setRequestHeader
anymore,bcs. newer browsers manages this by itself

thats it