From ...
From: Erik Naggum <erik@naggum.net>
Subject: Re: Lisp Syntax #| ???
Date: 2000/08/09
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* Martin Cracauer
| The real comments in Lisp are to-end-of-liners with ';'
| 
| #|...|# is an example of a reader macro in action, using it to
| implement multiline comments.

  You may be surprised, but ; is just a reader macro, too.  I fail to
  see how you can support "real" in any way.  What's unreal about #||#?

| Temporarily disabling code like this is usually done with a
| different reader macro instead:

  Some prefer it this way, but I haven't found any statistics that
  support the "usually".  Where did you find yours?

| This is usually preferrable to #|...|# since the editor's
| indentiation support still knows how to format the disabled code.

  See above for "usually".  _Your_ preferences are noted, but some
  indentation support packages will indent commented code correctly,
  in the understanding that you don't comment out text with #| ... |#.
  For those cases, use several ;'s at the beginning of the line.

#:Erik
-- 
  If this is not what you expected, please alter your expectations.