** Create a category of errors called `process-error'
for some or all errors associated with using subprocesses.
+** Maybe reinterpret `parse-error' as a category of errors
+ and put some other errors under it.
+
** A function to check for customizable options that have been
set but not saved, and ask the user whether to save them.
This could go in kill-emacs-query-functions, to remind people
** Provide portable undumping using mmap (per gerd design).
+** Make byte-compile avoid binding an expanded defsubst's args
+when the body only calls primitives.
+
** Use the XIE X extension, if available, for image display.
** Make monochrome images display using the foreground and background