I noticed that the redirect after a question is posted is handled by the qa-page-ask.php file (line 134).
How could we customize this redirect to redirect to another page? I understand we can just change this line in the core file, but i'm wondering what process we would take to create a plugin that would change this functionality. What kind of plugin would do this? A layer? Is there an array variable on the ask page that contains the redirect page we can change?