diff --git a/aiserver.py b/aiserver.py
index 948bbca4..c804c0d5 100644
--- a/aiserver.py
+++ b/aiserver.py
@@ -3232,6 +3232,7 @@ def update_story_chunk(idx: Union[int, str]):
             # prompt might not have been shown yet (with a "Generating story..."
             # message instead).
             refresh_story()
+            setgamesaved(False)
             return
 
         idx = (vars.actions.get_last_key() if len(vars.actions) else 0) + 1
@@ -3249,7 +3250,9 @@ def update_story_chunk(idx: Union[int, str]):
 
     chunk_text = f'<chunk n="{idx}" id="n{idx}" tabindex="-1">{formatforhtml(item)}</chunk>'
     emit('from_server', {'cmd': 'updatechunk', 'data': {'index': idx, 'html': chunk_text}}, broadcast=True)
-    
+
+    setgamesaved(False)
+
     #If we've set the auto save flag, we'll now save the file
     if vars.autosave and (".json" in vars.savedir):
         save()
@@ -3260,6 +3263,7 @@ def update_story_chunk(idx: Union[int, str]):
 #==================================================================#
 def remove_story_chunk(idx: int):
     emit('from_server', {'cmd': 'removechunk', 'data': idx}, broadcast=True)
+    setgamesaved(False)
 
 
 #==================================================================#
diff --git a/bridge.lua b/bridge.lua
index b2f1bd14..da63d63f 100644
--- a/bridge.lua
+++ b/bridge.lua
@@ -1614,7 +1614,12 @@ return function(_python, _bridged)
             error("module '" .. modname .. "' not found:" .. table.concat(errors))
             return
         end
-        local retval = old_loadfile(path, "t", env)()
+        local f, err = old_loadfile(path, "t", env)
+        if err ~= nil then
+            error(err)
+            return
+        end
+        local retval = (f())
         package_loaded[env][modname] = retval == nil or retval
         return package_loaded[env][modname], path
     end
@@ -1664,12 +1669,33 @@ return function(_python, _bridged)
         bridged.print(table.concat(args, "\t"))
     end
 
-    local function redirected_warn(...)
-        local args = table.pack(...)
-        for i = 1, args.n do
-            args[i] = tostring(args[i])
+    local function _redirected_warn()
+        local do_warning = true
+        local control_table = {
+            ["@on"] = function()
+                do_warning = true
+            end,
+            ["@off"] = function()
+                do_warning = false
+            end,
+        }
+        return function(...)
+            local args = table.pack(...)
+            if args.n == 1 and type(args[1]) == "string" and args[1]:sub(1, 1) == "@" then
+                local f = control_table[args[1]]
+                if f ~= nil then
+                    f()
+                end
+                return
+            end
+            if not do_warning then
+                return
+            end
+            for i = 1, args.n do
+                args[i] = tostring(args[i])
+            end
+            bridged.warn(table.concat(args, "\t"))
         end
-        bridged.warn(table.concat(args, "\t"))
     end
 
     local sandbox_template_env = {
@@ -1829,7 +1855,7 @@ return function(_python, _bridged)
             envs[universe].load = _safe_load(env)
             envs[universe].require = _safe_require(env)
             envs[universe].print = redirected_print
-            envs[universe].warn = redirected_warn
+            envs[universe].warn = _redirected_warn()
             env._G = env
         end
         return env