cygpath compatiblity break (v2.1 -> v2.7)

[Andrew Schulman]

> From: Yves Chevallier 
> > ...
> > How can I use this mailing list to answer a mail that I only find from
> > this [link](https://www.cygwin.com/ml/cygwin/2017-04/msg00156.html)?
> > ...
> 
> Send a plain-text e-mail to cygwin-get.207653@cygwin.com. No need to add
> a subject or body. It will send you the message, and you can reply to that.

Whoa. This should be documented somewhere.

Looks like the 207653 comes from the Return-Path header when you view the raw
message content.


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple