r1691 - trunk/varnish-cache/man

[Poul-Henning Kamp]

In message <20070713142755.C07C31EC418 at projects.linpro.no>, des at projects.linpro
.no writes:

>Document regsub().

We should probably mention the limitations:

We should probably mention that regsub() is not a general subroutine,
it is only available in "set" statements that set string variables.

Similarly, the string concatenation is also only available in set
of string variables.


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