[m-rev.] for review: edit_seq for --warn-inconsistent-pred-order

[Julien Fischer]

On Wed, 26 Jun 2019, Zoltan Somogyi wrote:

> This should fix one test case failure for C# (and probably Java), because
> io.call_system_code does not handle redirection.
>
> A question: is it ok for the warning to list long sequences of unchanged lines,
> or should I postprocess the output to elide them.

Elide them, it's best for the messages to be as concise as possible.

The diff looks fine.

Julien.