@abstract A TemplateLexer is one that accepts a :parent option, to specify which language is being templated. The lexer class can specify its own default for the parent lexer, which is otherwise defaulted to HTML.
the parent lexer - the one being templated.
# File lib/rouge/template_lexer.rb, line 10 def parent return @parent if instance_variable_defined? :@parent @parent = option(:parent) || 'html' if @parent.is_a? ::String lexer_class = Lexer.find(@parent) @parent = lexer_class.new(self.options) end end