🚀 go-pugleaf

In article <1992Sep2.154831.22839@athena.mit.edu> lasmith@athena.mit.edu (Lones A Smith) writes:
> 
> 
>      I am making class  notes. I would like on the same file to add my own comments that will NOT APPEAR on the notes. I do not want two separate files,
> for editing purposes.   Here's what I want: I want to prefix the additional
> comments for my expanded version of the notes by a symbol --- call it ** ---
> so that lines preceeded by ** are only printed out when a particular control sequence in the preamble is present.  That is,
> 
> [...]
> 
> Then when I LaTeX the first file, the ** should be ignored entirely, whereas when I LaTeX the second file ** should be read as %.  Brute force methods
> have failed me.  Any ideas, (La)TeXperts??????
> 

If you had only chosen a single character (e.g., @) instead of **,
this would have been rather simple:

Then if you have 
\catcode`\@=9
at the beginning of the file, @ would be ignored and
if you have
\catcode`\@=14
at the beginning of the file, @ would be the comment character.

(Or you could \def\privatenotes{\catcode`\@=9 }
and \def\classhandout{\catcode`\@=14 } in your macro file
as mnemonics for these commands.)

If you also want @ in the text somewhere, you can use \@ for that
by saying
\chardef\@=`\@

-- 
---------------------------------------------------------------------------
Navindra S Gambhir                                   gambhir@cs.cornell.edu

I would rather write programs to help me write programs than write programs