lfpinit() signed or unsigned?

[Hal Murray]

>  * Internally, this type is sometimes used for time offsets.  In that 
>  * context it is interpreted as signed and can only express offsets
>  * up to a half cycle. Offsets are normally much, much smaller than that;
>  * for an offset to have a value even as large as 1 second would be 
>  * highly unusual. 

I think the "highly unusual" is misleading.

It happens often during initialization.  That probably includes laptops 
waking up from power down.

Maybe "high unusual after initialization".


-- 
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