I can format columns

src/myfasthtml/controls/DslEditor.py

@@ -62,11 +62,11 @@ class Commands(BaseCommands):
                    self._owner,
                    self._owner.toggle_auto_save).htmx(target=f"#as_{self._id}", trigger="click")
   
-  def on_content_changed(self):
-    return Command("OnContentChanged",
-                   "On content changed",
+  def save_content(self):
+    return Command("SaveContent",
+                   "Save content",
                    self._owner,
-                   self._owner.on_content_changed
+                   self._owner.save_content
                    ).htmx(target=None)
 
 
@@ -112,15 +112,24 @@ class DslEditor(MultipleInstance):
     """Get the current editor content."""
     return self._state.content
   
-  def update_content(self, content: str = "") -> None:
+  def update_content(self, content: str = ""):
     """Handler for content update from CodeMirror."""
     self._state.content = content
-    if self._state.auto_save:
-      self.on_content_changed()
     logger.debug(f"Content updated: {len(content)} chars")
+    
+    if self._state.auto_save:
+      return None, self.on_content_changed()  # on_content_changed must be second to benefit from oob swap
+    
+    return None
+  
+  def save_content(self):
+    logger.debug("save_content")
+    return None, self.on_content_changed()  # on_content_changed must be second to benefit from oob swap
   
   def toggle_auto_save(self):
+    logger.debug("toggle_auto_save")
     self._state.auto_save = not self._state.auto_save
+    logger.debug(f"  auto_save={self._state.auto_save}")
     return self._mk_auto_save()
   
   def on_content_changed(self) -> None:
@@ -182,7 +191,7 @@ class DslEditor(MultipleInstance):
       mk.button("Save",
                 cls="btn btn-xs btn-primary",
                 disabled="disabled" if self._state.auto_save else None,
-                command=self.commands.update_content()),
+                command=self.commands.save_content()),
       cls="flex justify-between items-center p-2",
       id=f"as_{self._id}",
     ),