vendor/bundle/ruby/2.4.0/gems/rouge-1.11.1/lib/rouge/demos/sed - incubator-retired-amaterasu-site - Git at Google

 /begin/,/end/ {
   /begin/n # skip over the line that has "begin" on it
   s/old/new/
 }
	/begin/,/end/ {
	/begin/n # skip over the line that has "begin" on it
	s/old/new/
	}