const char HTTP_SCRIPT_TEMPLATE[] PROGMEM =
  "function ld(u,f){"
    "var x=new XMLHttpRequest();"
    "x.onreadystatechange=()=>{"
      "if(x.readyState==4&&x.status==200){"
        "f(x);"
      "}"
    "};"
    "x.open('GET',u,true);"
    "x.send();"
  "}"
  "var c;"                                // Need a global for BASE
  "function x1(b){"
    "var i,j,g,k,o;"
    "o=b.responseText.split(/}1/);"       // Field separator
    "k=o.shift();"                        // Template name
    "if(eb('s1').value==''){"
      "eb('s1').value=k;"                 // Set NAME if not yet set
    "}"
    "g=o.shift().split(',');"             // GPIO - Array separator
    "os=\"";                              // }2'0'>None (0)}3}2'17'>Button1 (17)}3...
