Subject: bug#38026: [PATCH] Explain negative NABS in `goto-history-element'.

From: Hong Xu <[email-masked]>
Date: Sat, 2 Nov 2019 10:07:03 -0700

On 11/2/19 1:03 AM, Eli Zaretskii wrote:
> Thanks, but I don't see how this clarifies the issue.  Can you tell
> more about your motivation?
> 

The motivation is to clarify what a negative NABS means. From the current document, it is unclear that NABS can be negative.