This would block C&P without clicking on DOWNLOAD, that's why many would object. But an interactive JS toggle might solve that.

Hmm , firefox doesn't copy/paste line numbers ... so I don't think JS is required

<Reveal this spoiler or all in this thread>
  1. #!/usr/bin/perl --
  2. use strict;
  3. use warnings;
     
  4. print "Hello 
+ world!\n";

In reply to Re^2: Change default style sheet: add line numbers by Anonymous Monk
in thread Change default style sheet: add line numbers by roboticus

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