to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>

    This program is free software: you can redistribute it and/or modify

pkg regexp/syntax, const InstRuneAnyNotNL = 10
pkg regexp/syntax, const Literal = 2
pkg regexp/syntax, const MatchNL = 12
pkg regexp/syntax, const NonGreedy = 32
pkg regexp/syntax, const OneLine = 16
pkg regexp/syntax, const OpAlternate = 19
pkg regexp/syntax, const OpAnyChar = 6
pkg regexp/syntax, const OpAnyCharNotNL = 5
pkg regexp/syntax, const OpBeginLine = 7
pkg regexp/syntax, const OpBeginText = 9