Subject: Re: bug#14824: 24.3.50; Regression: problem with undo in Mail mode

From: Glenn Morris <[email-masked]>
Date: Tue, 09 Jul 2013 14:26:25 -0400

Glenn Morris wrote:

> Glenn Morris wrote:
>
>>  (t 0 0 0 -2000)
>>
>> I don't know where -2000 picosecs comes from.
>
> Oh, I guess it is UNKNOWN_MODTIME_NSECS = -2.

So I guess the actual problem is that there seems no way to replicate

EMACS_TIME_NE (mod_time, base_buffer->modtime)

at the Lisp level.