\section[lit2doc_for_jm]{Document-processing code for language \tr{jm}}

\begin{code}
sub rm_embedded_stuff { # return clean code + index entries (\002 separated)
    local($codetxt) = @_;
    
    ($codetxt, '');
}

sub add_code_interests { # DO NOTHING
    # section and blk to record in ($s == -1: don't update) + the code
    local($s, $b, $_) = @_;
    local($defs_to_return) = '';
    local($uses_to_return) = '';
    
#   & setup_MkWorld_keywords();

    $* = 1; # multi-line searches
    s/^>//g;		# de-Bird-ize
    s/\/\*[^\/]*\*\///g;# de-commentize (necessarily fraught with peril)
    s/\"[^\"\n]*\"//g;	# de-string-ize and de-char-ize
    s/\'[^\'\n]*\'//g;

    # OK, the "interesting" DEFS are #define'd things & defns of "make" vars
    # The latter must begin in col 1!

    while (/^(\s*#define\s+)([A-Za-z_][A-Za-z0-9_]{2,})(\s*)/ ||
           /^(\s*)([A-Za-z_][A-Za-z0-9_]{2,})(\s*=)/) {
    	local($before) = $1;
	local($interesting_thing) = $2; # see hacks below
	local($after) = $3;

#print STDERR "defs=>$before::$interesting_thing::$after::\n";

	if ($interesting_thing) {
	    if ($s != -1) {
		$Blk_codethings_defd[$b] .= "$interesting_thing\001";
		$Sec_codethings_defd[$s] .= "$interesting_thing\001";
	    } else {
		$defs_to_return .= "$interesting_thing\001";
	    }
	}
	# escaping all magic chars in before/interesting/after
	# is v important for avoiding infinite loops! (also below)
	$before =~ s/\s+/\\s\+/g;
	$after =~ s/\s+/\\s\+/g;

	s/$before$interesting_thing$after//g;
    }

    # I AM NOT INTERESTED IN USES AT THE MOMENT

    $* = 0;
#    ('', &std_codething_uses_check($s, $b, $incode));
    ($defs_to_return, $uses_to_return);
}

#sub setup_MkWorld_keywords {
#   $IGNORE_WD{''} = 1;
#}

# this keeps 'do'ing happy
1;
\end{code}