/* Copyright (C) 2006, Index Data ApS
* See the file LICENSE for details.
/* Copyright (C) 2006, Index Data ApS
* See the file LICENSE for details.
* Each state can be the beginning and/or ending of a backref
* sequence. This call sets those flags in the states. After matching,
* we can get hold of the backrefs that matched, and use them in our
* Each state can be the beginning and/or ending of a backref
* sequence. This call sets those flags in the states. After matching,
* we can get hold of the backrefs that matched, and use them in our
*
* \param n the nfa
* \param s the state to add to
* \param backref_number is the number of the back reference. 0 for clearing
* \param is_start is 1 for start of the backref, 0 for end
*
* \param n the nfa
* \param s the state to add to
* \param backref_number is the number of the back reference. 0 for clearing
* \param is_start is 1 for start of the backref, 0 for end