function ALinesMutator(alines, pool) {
  this._lines = alines;
  this._pool = pool;
  this._l = 0;
  this._curLine = null;
}
/*
 * This mutator works with lines of AStrings. It supports multiline ops and can 
 * efficiently patch multiline structure in place.
 */
This mutator works with lines of AStrings. It supports multiline ops and can
efficiently patch multiline structure in place.
This mutator works with lines of AStrings . It supports multiline ops and can efficiently patch multiline structure in place .
function ALinesMutator(alines, pool) {
  this._lines = alines;
  this._pool = pool;
  this._l = 0;
  this._curLine = null;
}
function ALinesMutator ( alines , pool ) { this . _lines = alines ; this . _pool = pool ; this . _l = 0 ; this . _curLine = null ; }
This mutator works with lines of AStrings.
This mutator works with lines of AStrings .