question: private boolean parseString ( ) { int begin = index ; int length = input . length ( ) ; while ( index != length ) { if ( specialCharacters . get ( input . charAt ( index ) ) ) { break ; } index ++ ; } if ( begin != index ) { appendText ( input , begin , index ) ; return true ; } else { return false ; } }
target:  Parse a run of ordinary characters, or a single character with a special meaning in markdown, as a plain string.