Re: write-region bug ?

[Eli Zaretskii]

> From: Jean-Christophe Helary <address@hidden>
> Date: Sun, 5 Jan 2020 14:14:29 +0900
> 
> *** If VISIT is t, the buffer is marked as visiting FILENAME. ***
> 
> 
> So, practically speaking, the START string is output to the file, and then, 
> the buffer is "marked as visiting FILENAME" which practically speaking means 
> that it overwrites the START string.
> 
> What is that for ?

Sorry, I don't understand the question.  You could ask the same
question about any optional feature of any Emacs API.  And the answer
will be the same: for those applications that need this optional
feature.