From db31a13ecdd8306aad63319ace28bf7d029d4829 Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@users.sourceforge.net>
Date: Fri, 5 Sep 2008 21:02:08 +0000
Subject: 25627: add $ZSH_SUBSHELL

---
 Doc/Zsh/params.yo | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'Doc/Zsh/params.yo')

diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo
index bf12b5ded..bc8a79450 100644
--- a/Doc/Zsh/params.yo
+++ b/Doc/Zsh/params.yo
@@ -731,6 +731,13 @@ item(tt(zsh_scheduled_events))(
 See ifzman(the section `The zsh/sched Module' in zmanref(zshmodules))\
 ifnzman(noderef(The zsh/sched Module)).
 )
+vindex(ZSH_SUBSHELL <S>)
+item(tt(ZSH_SUBSHELL))(
+Readonly integer.  Initially zero, incremented each time the shell forks
+to create a subshell for executing code.  Hence `tt((print $ZSH_SUBSHELL))'
+and `tt(print $(print $ZSH_SUBSHELL))' output 1, while
+`tt(( (print $ZSH_SUBSHELL) ))' outputs 2.
+)
 vindex(ZSH_VERSION)
 item(tt(ZSH_VERSION))(
 The version number of this zsh.
-- 
cgit 1.4.1