[BRLTTY] A nit about aclocal.m4

[Dave Mielke]

[quoted lines by Stepan Kasal on 2007/09/04 at 15:00 +0200]

>I'd like to remind that the main variable used by
>   AC_ARG_ENABLE([foo], ... )
>is enable_foo.  The variable `enableval' is only a helper variable
>guranteed to be available for the code in the third parameter.

I remember thinking about this way back when that code was written. The 
dificulty was (and still is) that "foo" is a calculated value since, for 
example, "enable_usb-support" would be an illegal variable name. That's why 
just using the generic "enableval" seemed to be the better choice.

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