//line comment

/* block comment */

/* block comment on 
multiple lines */

/* //line comment within block comment */

// /*block comment within line comment */

// using open-block-comment symbol alone on line comment /*

/* /* nested block comment */ */

DISPLAY "this line of code is a test". 
DISPLAY "//this line of code is a test".
DISPLAY "/* this line of code is a test */".

// using close-block-comment symbol alone on line comment */

// /* improperly closed block comment within line comment */ */

/* 
//line comment 1 in block comment
//line comment 2 in block comment
//line comment 3 in block comment
*/

/*
block comment text
//line comment text
/* inner block comment text*/
*/

DISPLAY "This is a open-block-comment symbol /*".
DISPLAY "This is a close-block-comment symbol */".

//* line comment plus * looks like open-block-comment


DISPLAY "this line of code is a test".

/*display statement within block comment
DISPLAY "this is a string".
*/

DISPLAY "//line comment within string".

DISPLAY "/* //line comment within block comment within string */".
                                                                        
/* Improperly closed block comment */ */

DISPLAY "this line of code is a test".

DISPLAY "line comment with leading whitespace". // this is a line comment
DISPLAY "line comment without leading whitespace".// this is not a line comment