bug#17752: [Matthias Meulien] Re: bug#17752: 24.4.50; Scrolling other window while skeleton reads input inserts garbage

[Lars Ingebrigtsen <larsi@gnus.org>]

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Well, let's move to GMail web app...

> Could you provide a step-by-step recipe, starting from "emacs -Q"?

Steps to reproduce (I am now using GNU Emacs 28.0.50 (build 29,
x86_64-pc-linux-gnu, GTK+ Version 3.24.5, cairo version 1.16.0) of
2020-11-21), commit 789ee3e1d5 from master:

1. M-x find-file /usr/lib/python3.7/copy.py RET

2. C-x C-w ~/test.py RET

3. C-v C-v C-u 15 C-n <= scroll two pages and reach an blank line where
inserting a new class definition makes sense

4. M-x python-skeleton-class

5. C-M-S-v

6. C-M-S-v

7. Test <= I wrote this in the minibuffer where I was prompted since step 4
for a class name as required by python-skeleton-class

8. Press RET

The diff of the resulting file attached. As you can see it's not the
expected result of python-skeleton-class.

Le dim. 6 déc. 2020 à 18:14, Matthias Meulien <orontee@gmail.com> a écrit :

> Here is the recipe again. Previous mail was sent using Gnus
> through GMail. I usually have no troubles. I suppose the problem
> came from inserted diff output; Thus this time I attached the diff
> as a MIME part.
>
> > Could you provide a step-by-step recipe, starting from "emacs
> > -Q"?
>
> Steps to reproduce (I am now using GNU Emacs 28.0.50 (build 29,
> x86_64-pc-linux-gnu, GTK+ Version 3.24.5, cairo version 1.16.0) of
> 2020-11-21), commit 789ee3e1d5 from master:
>
> 1. M-x find-file /usr/lib/python3.7/copy.py RET  2. C-x C-w
> ~/test.py RET  3. C-v C-v C-u 15 C-n <= scroll two pages and reach
> an blank line where inserting a new class definition makes sense
> 4. M-x python-skeleton-class  6. C-M-S-v  7. C-M-S-v  8. Test <= I
> wrote this in the minibuffer where I was prompted since step 4 for
> a class name as required by python-skeleton-class  7. Press RET
>
> Now the diff of the resulting file is the following. As you can
> see it's not the expected result of python-skeleton-class.
>
>
>
> Feel free to ask if it's still unclear.   Regards,
>
> --
> Matthias
>


-- 
Matthias

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--- /usr/lib/python3.7/copy.py 2020-07-25
15:03:44.000000000 +0200 +++ /home/matthias/test.py     2020-12-05
17:53:35.503140351 +0100 @@ -46,6 +46,10 @@
 to control pickling: they can define methods called
 __getinitargs__(), __getstate__() and __setstate__().  See the
 documentation for module "pickle" for information on these
 methods.
+Test: +"""""" + +
 """  import types
@@ -105,5 +109,4 @@
         return x
     return _reconstruct(x, None, *rv)

- +class 
 _copy_dispatch = d = {}  def _copy_immutable(x):