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Re: write-region bug ?

From: Jean-Christophe Helary
Subject: Re: write-region bug ?
Date: Thu, 9 Jan 2020 00:27:35 +0900

> On Jan 6, 2020, at 14:58, Jean-Christophe Helary <address@hidden> wrote:
>> On Jan 6, 2020, at 14:29, Eli Zaretskii <address@hidden> wrote:
>> This is explained at the very beginning of the "Files" node in the Emacs 
>> manual.  The Glossary also explains that under Saving and under Visiting. 
>> These are very basic notions in Emacs, so if the relations between a buffer 
>> visiting a file and what happens when you save that buffer aren't clear to 
>> you, I suggest a good reading of those parts in the manual.
> I'm right there. Thank you.

File A.txt contains:
(write-region "stuff" nil "B.txt" nil t nil t)

File B.txt is empty until I run file A.txt.

The manual says:

25.4 Writing to Files


"If visit is t, then Emacs establishes an association between the buffer and 
the file: the buffer is then visiting that file."

25.1 Visiting Files

"Visiting a file means reading a file into a buffer. Once this is done, we say 
that the buffer is visiting that file, and call the file the visited file of 
the buffer."

→ My understanding from the above manual quotes is that file B.txt is read into 
the buffer where file A.txt is.

I don't know how that should look like, but what I see is seemingly the 
opposite: full contents of file A.txt is written to file B.txt.

There is obviously something that I am missing in the documentation.


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