source: branches/samba-3.3.x/docs-xml/scripts/neatquotes.pl

#!/usr/bin/perl

my $inprog = 0;

while(<STDIN>) {
        if(/<(programlisting|screen)>/) { $inprog = 1; }
        if(/<\/(programlisting|screen)>/) { $inprog = 0; }
        if(not /="(.*)"/ and not $inprog) {
                s/"(.*?)"/<quote>\1<\/quote>/g;
        }
        print $_;
}