[tex-live] texdoc in luatex

[Karl Berry]

    there is also an experimental lpeg parser which is alpha stage and the 

>From http://www.inf.puc-rio.br/~roberto/lpeg.html, I see it has
alternation, more or less, so I'm happy, I guess :).

The re syntactic sugar talked about there is really needed.  Too many
people's brains have regex syntax embedded in them, no matter how much
core it takes up there :).

karl