Wrong prefix checking of global variables

[Niels Möller]

Marc Glisse <marc.glisse at inria.fr> writes:

> IIRC, \<\> is not a
> standard feature of grep but a GNU extension.

Maybe it's good enough to grep for " _gurkmacka", i.e., with a leading
space. Or maybe allow a TAB character too.

For non-swedish speakers, "gurkmacka" means "cucumber sandwich". ;-)

Regards,
/Niels

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