what does dash mean in ruby on rails html scriptlet ?

Posted by Nikita Rybak on Stack Overflow See other posts from Stack Overflow or by Nikita Rybak
Published on 2010-06-10T19:51:54Z Indexed on 2010/06/10 19:52 UTC
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Filed under:

html

|

ruby-on-rails

|

ruby

|

scriptlet

In the web I've seen examples both with

<% if @showIt -%>
  some html content
<% end -%>

and without

<% if @showIt %>
  some html content
<% end %>

dash. Both versions work very well. So, what difference does it make?
Thanks!

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