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.)


# comment on a line by itself. The next is a command by itself:
set var1 $value1
set var2 $value2 ; # comment that follows a line of code