Task

Show all ways to include text in a language source file
that's completely ignored by the compiler or interpreter.



Related tasks

   Documentation
   Here_document


See also

   Wikipedia
   xkcd (Humor: hand gesture denoting // for "commenting out" people.)


 
; this is a to-end-of-line coment
 
#| balanced comment, #| can be nested |# |#
 
#;(this expression is ignored)
 
#; ; the following expression is commented because of the #; in the beginning
(ignored)
 
 