Kevin Ballard 7b12fd26f3 Change how we separate toplevel and global scopes ...

Instead of introducing a new local scope at the point of `set`, merely
push a new local scope at the end of env_init(). This means we have a
single toplevel local scope across the lifetime of the fish process,
which means that

    set -l foo bar
    echo $foo

behaves as expected, without modifying the global environment.

2014-07-13 13:21:06 -07:00

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