void concordance::readText (istream & in)
void concordance::readText (istream & in)
// read all words from input stream, entering into concordance
{string line;for (int i = 1; getline(in, line); i++) {// translate into lower case, split into words allLower(line); list<string> words; split(line, " ,.;:", words); // enter each word on line into concordance list<string>::iterator wptr; for (wptr = words.begin(); wptr != words.end(); ++wptr) wordMap[*wptr].insert(i);}