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1 Date: Tue, 23 Feb 2199 21:03:50 -0600
2 From: Karl Fogel <firstname.lastname@example.org>
3 To: email@example.com
4 Subject: M-x search-backward-in-time broken...
5 X-Windows: you'll envy the dead.
7 In GNU Emacs 51.70.4 (i9986-unknown-linux-gnu, X toolkit) of Sat Feb 20 2199 on floss
8 configured using `configure --with-x-toolkit=yes'
10 The `search-backward-in-time' function appears to be broken in
11 Emacs 51.70.
13 Unfortunately, I can never seem to start the debugger early
14 enough to catch the error as it happens. However I have traced the
15 problem through source by eye, and it looks like `time-forward' can't
16 handle negative arguments anymore. This is consistent with other
17 symptoms: for example, `undo' (which since 51.25 has worked by passing
18 a negative arg to `time-forward') is also broken. However, `do' still
19 works -- it seems that `time-forward' continues to handle positive
20 arguments just fine.
22 No one here-and-now can figure out how to fix the problem,
23 because the code for `time-forward' is so hairy. We're using M-x
24 report-future-emacs-bug to request that you folks include more
25 comments when you write it (sometime in 2198 as I recall).
29 -Karl Fogel <firstname.lastname@example.org>
32 P.S. You'll be pleased to know that since (time-forward N) still works
33 for N >= 0, we've used it to pre-emptively update configure.ac.
34 Emacs now configures and builds on every platform that will ever
35 be made. It wasn't easy, but at least that's one problem out of
36 the way for good. If you'd like the patch, just ask.