change isNestedRect to isNestedFillRect

tools/lua/scrape.lua

 function tostr(t)
     local str = ""
     for k, v in next, t do
         if #str > 0 then
             str = str .. ", "
         end
         if type(k) == "number" then
             str = str .. "[" .. k .. "] = "
         else
             str = str .. tostring(k) .. " = "
@@ skipping 41 matching lines @@
     total[t.verb] = n + 1
 
     if false and t.verb == "drawRect" and t.paint:isAntiAlias() then
         local r = t.rect;
         local p = t.paint;
         local c = p:getColor();
         print("drawRect ", tostr(r), tostr(c), "\n")
     end
 
     if false and t.verb == "drawPath" then
-        local pred, r1, r2, d1, d2 = t.path:isNestedRects()
+        local pred, r1, r2, d1, d2 = t.path:isNestedFillRects()
         
         if pred then
             print("drawRect_Nested", tostr(r1), tostr(r2), d1, d2)
         else
             print("drawPath", "isEmpty", tostring(t.path:isEmpty()),
                     "isRect", tostring(t.path:isRect()), tostr(t.path:getBounds()))
         end
     end
 end
 
 --[[
     lua_pictures will call this function after all of the pictures have been
     "accumulated".
 ]]
 function sk_scrape_summarize()
     io.write("\n{ ", tostr(total), " }\n")
 end