This is a mess

I'm sorry.  I really wanted to improve my commit discipline.  I know.  I can't
be fucked to comb this diff and split it into 8 properly-ordered commits, like I
know I should.  I'm not having a good time right now.  We'll do better moving
forward.

users/crumb/programs/emacs/lib/syd-buffers.el

@@ -118,6 +118,15 @@ See `syd-real-buffer-p' for details on what that means."
         (when (syd-unreal-buffer-p (window-buffer))
           (switch-to-buffer (syd-fallback-buffer)))))))
 
+;;;###autoload
+(defun syd-set-buffer-realness (buffer realness)
+  (with-current-buffer buffer
+    (setq syd-real-buffer-p realness)))
+
+;;;###autoload
+(defun syd-mark-buffer-as-real ()
+  (syd-set-buffer-realness (current-buffer) t))
+
 (defun syd-kill-buffer-fixup-windows (buffer)
   "Kill the BUFFER and ensure all the windows it was displayed in have switched
 to a real buffer or the fallback buffer."