ERB
@ruby
http://ruby-doc.org/stdlib-2.4.0/libdoc/erb/rdoc/ERB.html
Tags
<% Ruby code -- inline with output %> <%= Ruby expression -- replace with result %> <%# comment -- ignored -- useful in testing %> % a line of Ruby code -- treated as <% line %> (optional -- see ERB.new) %% replaced with % if first thing on a line and % processing is used <%% or %%> -- replace with <% or %> respectively
Trim mode
% enables Ruby code processing for lines beginning with % <> omit newline for lines starting with <% and ending in %> > omit newline for lines ending in %> - omit blank lines ending in -%>