Re: M-x compile for different file extensions

[Richard Stallman]

    > It is sort of unfortunate that we have the conflict between two
    > meanings we would like RET to have in the compilation buffer: "visit
    > the source code for a particular error message", and "send a line of
    > input".  We have used it for the former ever since that convention
    > existed in Emacs (several years ago), but would it be better to use
    > it for the latter instead?

    We could probably let RET do something like
    (if (eobp) (send-to-process) (goto-error))

This is a good solution if users prefer it.