code: private boolean isNextCharacterEscapedQuote(String nextLine, boolean inQuotes, int i) {
          return inQuotes  // we are in quotes, therefore there can be escaped quotes in here.
                  && nextLine.length() > (i + 1)  // there is indeed another character to check.
                  && nextLine.charAt(i + 1) == quotechar;
      }
docs: precondition: the current character is a quote or an escape
  
  @param nextLine the current line
  @param inQuotes true if the current context is quoted
  @param i        current index in line
  @return true if the following character is a quote