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authorPeter Stephenson <pws@users.sourceforge.net>2000-04-13 14:22:47 +0000
committerPeter Stephenson <pws@users.sourceforge.net>2000-04-13 14:22:47 +0000
commitcf92384eac7c961d96a9bf3bde3df8f8427b45bc (patch)
tree9c8f88188a053a6979e40e1661df1e8069403de6 /Doc/Zsh/params.yo
parentb692ed1b9d19d10646d3870bb3b9b301216bddf7 (diff)
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10738: pws: local parameters can be exported
Diffstat (limited to 'Doc/Zsh/params.yo')
-rw-r--r--Doc/Zsh/params.yo18
1 files changed, 8 insertions, 10 deletions
diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo
index c6571f38f..ac90d095d 100644
--- a/Doc/Zsh/params.yo
+++ b/Doc/Zsh/params.yo
@@ -215,21 +215,19 @@ any outer parameter of the same name remains hidden.
 
 Special parameters may also be made local; they retain their special
 attributes unless either the existing or the newly-created parameter
-has the tt(-h) (hide) attribute.  This may have unexpected effects.
-Firstly, there is no default value, so if there is no assigment at the
+has the tt(-h) (hide) attribute.  This may have unexpected effects:
+there is no default value, so if there is no assigment at the
 point the variable is made local, it will be set to an empty value (or zero
-in the case of integers).  Secondly, special parameters which are made
-local will not be exported (as with other parameters), so that the global
-value of the parameter remains present in the environment if it is already
-there.  This should be particularly noted in the case of tt(PATH): the
-shell will use the local version of tt(PATH) for finding programmes, but
-programmes using the shell's environment will inherit the global version.
+in the case of integers).  
 The following:
 
 example(typeset PATH=/new/directory:$PATH)
 
-is valid for temporarily allowing the shell to find the programs in
-tt(/new/directory) inside a function.
+is valid for temporarily allowing the shell or programmes called from it to
+find the programs in tt(/new/directory) inside a function.
+
+Note that the restriction in older versions of zsh that local parameters
+were never exported has been removed.
 
 texinode(Parameters Set By The Shell)(Parameters Used By The Shell)(Local Parameters)(Parameters)
 sect(Parameters Set By The Shell)