You can only use XSE to edit the text from people, signposts and scripts.
With A-text you can search for the text and it will come up and you can save it and then edit it. But it also has lots already saved, with Fire Red you can pretty much edit all the text with A-text easily. RSE however doesn't have much already saved for you.
With A-text you can search for the text and it will come up and you can save it and then edit it. But it also has lots already saved, with Fire Red you can pretty much edit all the text with A-text easily. RSE however doesn't have much already saved for you.