# File lib/sass/tree/node.rb, line 396 def children_to_src(tabs, opts, fmt) return fmt == :sass ? "\n" : " {}\n" if children.empty? (fmt == :sass ? "\n" : " {\n") + children.map {|c| c.send("to_#{fmt}", tabs + 1, opts)}.join.rstrip + (fmt == :sass ? "\n" : " }\n") end