Re: gnuserv for Windows emacs 27

On 11/18/2020 12:24 PM, Eli Zaretskii wrote:
>> From: Ken Goldman <[email protected]>
>> Date: Wed, 18 Nov 2020 11:16:33 -0500
>>
>> I've been a happy gnuserv/gnuclient user forever.  I recompile for Unix, and the Windows executable keeps going.
>>
>> With emacs 27, gnuserv.el fails on the call to process-kill-without-query.
>>
>> Do I need a newer gnuserv.el?	
>> Is gnuserv finally obsolete on Windows?
>> Are there instructions for emacsclient.
> 
> No, yes, and yes.  For the latter, see the user manual.
> 
> FTR, I've been using emacsclient on MS-Windows since forever, and have
> yet to see a problem with that.

Where's the user manual?

I had it slightly working with [runemacs / emacsclientw].  However, a
File Explorer double click does not create a new frame.  I know about
-c, but how do I put that in the file association?

Googling mentions running a script, using a .bat file, editing
the registry, but none worked.  What's the clean solution.