I believe that <% #... %> is not a valid erb comment (no space is allowed after %). See https://rails.lighthouseapp.com/projects/8994/tickets/1580-whitespace-bug-in-erb-comments-in-rails-222. You have to read through the comments to get to the conclusion.
Colin 2009/5/24 SpringFlowers AutumnMoon <rails-mailing-l...@andreas-s.net> > > the code > > <% # some code %> > > will not cause any error, but the code > > <%= # some code %> > > will cause an error. > > the argument is that the second statement is like > > output << > > and so it is an error. > > But I think since > > puts "hello" > > and > > puts > > both can run and cause no error, why not make > > <%= # some code %> > > not cause any error too? If we have a language / platform that will > cause an error when we just comment out code, it is a big issue in the > long term, since usually when we comment out something, we won't easily > cause a problem and may have a hard time finding what the cause is. > > for sure, we can change it to > > <% # some code %> > > but we lose the note there that we were going to output the content. > When we uncomment the code, we don't know for sure whether it should be > <% %> or <%= %> and is prone to mistake again. > -- > Posted via http://www.ruby-forum.com/. > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
