GNU bug report logs - #76565
30.1; emacs xref: cannot jump back to the previous position when `xref-history-storage' is set to `xref-window-local-history'

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Dmitry Gutov <dmitry <at> gutov.dev>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#76565: closed (30.1; emacs xref: cannot jump back to the
 previous position when `xref-history-storage' is set to `xref-window-local-history')
Date: Sun, 02 Mar 2025 03:25:02 +0000

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Your message dated Sun, 2 Mar 2025 05:24:42 +0200
with message-id <65244775-8f32-4de6-ad9d-ae2ebdd7a3d9 <at> gutov.dev>
and subject line Re: bug#76565: 30.1; emacs xref: cannot jump back to the previous position when `xref-history-storage' is set to `xref-window-local-history'
has caused the debbugs.gnu.org bug report #76565,
regarding 30.1; emacs xref: cannot jump back to the previous position when `xref-history-storage' is set to `xref-window-local-history'
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
76565: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=76565
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Guoyu Ou <benogy <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Cc: Guoyu Ou <benogy <at> gmail.com>
Subject: 30.1; emacs xref: cannot jump back to the previous position when
 `xref-history-storage' is set to `xref-window-local-history'
Date: Tue, 25 Feb 2025 22:36:27 +0800

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Dear maintainers,

I installed emacs 30.1 from debian sid, and found that xref cannot jump
back to the previous position when `xref-history-storage` is set to
`xref-window-local-history`. It works in emacs 29.4 with xref 1.6.3.

### settings and tests

The following is my `~/.emacs`:

```lisp
(when (>= emacs-major-version 29)
  (setq xref-history-storage 'xref-window-local-history))
```

And two c++ files for reproducing this bug:

content of `func-def.cpp`:

```c++
void func() {
}

void func(int) {
}
```

and `main.cpp`:

```c++
int main() {
  func();
}
```

### how to reproduce

Use the following command to generate a `TAGS` file:

```bash
/usr/bin/etags *.cpp
```

Then run

```bash
emacs -Q
```

open `main.cpp` and move the cursor to the word `func` and run

   M-x xref-find-definitions

a `*xref*` buffer is opened and shows two candidates of `func`.

Then I press `n RET` in the `*xref*` buffer to choose the first
candidate in the xref buffer.

Now the cursor is in a new buffer named `func-def.cpp`. Then I press
`M-,` and a message "At start of xref history" is shown in the
minibuffer.

In emacs 29.4 I can jump back to `main.cpp` when pressing `M-,`.

--
Best Regards,
Guoyu

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From: Dmitry Gutov <dmitry <at> gutov.dev>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: benogy <at> gmail.com, 76565-done <at> debbugs.gnu.org
Subject: Re: bug#76565: 30.1; emacs xref: cannot jump back to the previous
 position when `xref-history-storage' is set to `xref-window-local-history'
Date: Sun, 2 Mar 2025 05:24:42 +0200

Version: 30.2

On 28/02/2025 10:06, Eli Zaretskii wrote:
>> Cc:76565 <at> debbugs.gnu.org
>> Date: Fri, 28 Feb 2025 04:35:42 +0200
>> From: Dmitry Gutov<dmitry <at> gutov.dev>
>>
>> On 27/02/2025 06:36, Guoyu Ou wrote:
>>> After applying this patch, I tested my commonly used functions and they
>>> are all working well. Thanks for your patch.
>> Thanks for testing!
>>
>> Maintainers: I suppose this should go into the emacs-30 branch?
> Yes, thanks.

Thank you, pushed now: 
https://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-30&id=625ed68aeaadce4df7bdfd8c08ddfc8ed4f9b01a

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