--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Returns the namespace URL, if defined, or nil otherwise
- !ruby/struct:SM::Flow::VERB 
  body: " e = Element.new("el")\n e.add_attributes({"xmlns:ns", "http://url"})\n e.namespace( "ns" )              # -> "http://url"\n"
full_name: REXML::Attribute#namespace
is_singleton: false
name: namespace
params: (arg=nil)
visibility: public