Returns the content in the specified range using the platform line
delimiter to separate lines.
@param writer the TextWriter to write line text into
@return the content in the specified range using the platform line
delimiter to separate lines as written by the specified TextWriter.
Returns the content in the specified range using the platform line delimiter to separate lines.
@param writer the TextWriter to write line text into @return the content in the specified range using the platform line delimiter to separate lines as written by the specified TextWriter.