Kevin Ballard cfc06203e7 Add new functions flag -V/--inherit-variable ...

--inherit-variable takes a variable name and snapshots its current
value. When the function is executed, it will have a local variable with
this value already defined. Printing the function source will include
synthesized `set -l` lines for the values.

This is primarily useful for functions that are created on the fly, such
as in `psub`.

2014-10-02 18:41:39 -07:00

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