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Help: clarify PARENT_SCOPE behavior 

Fixes #15093.
This commit is contained in:
Ben Boeckel 2016-06-13 09:55:17 -04:00
parent d546456765
commit 42fe7d2150
1 changed files with 3 additions and 1 deletions
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4
Help/command/set.rst
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@ -25,7 +25,9 @@ If the ``PARENT_SCOPE`` option is given the variable will be set in
the scope above the current scope. Each new directory or function
creates a new scope. This command will set the value of a variable
into the parent directory or calling function (whichever is applicable
to the case at hand).
to the case at hand). The previous state of the variable's value stays the
same in the current scope (e.g., if it was undefined before, it is still
undefined and if it had a value, it is still that value).
Set Cache Entry
^^^^^^^^^^^^^^^