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Re: about the undocumented options -psn_*
From: |
Jan Djärv |
Subject: |
Re: about the undocumented options -psn_* |
Date: |
Wed, 16 Oct 2013 18:40:52 +0200 |
Hello.
When started from the GUI (Dock, Finder, open), the launcher adds a -psn_hi_low
option where hi and low are numbers (hi usually 0) that form the process serial
number. Not sure what it is used for. If however you pass any argument to the
program, like:
% open -a Emacs --args -Q
no -psn-option is passed.
In Emacs it acts like a "started from GUI"-detector.
Jan D.
16 okt 2013 kl. 13:40 skrev Darren Hoo <address@hidden>:
> This is the related ChangeLog entry:
>
> 2005-11-23 YAMAMOTO Mitsuharu
>
>
> * emacs.c (main) [MAC_OSX]: Change working directory to home
>
> directory if `-psn_*' option is specified.
>
>
> what's the meaning and usage of -psn_*?
>
> I ask this because I want to figure out in which cases it is
> necessary to change
> working directory to home directory.