document super (fixes #435)
document super (fixes #435)

oddbird/nunjucks,rhengles/nunjucks,kevinschaul/nunjucks,internalfx/nunjucks,rhengles/nunjucks,santoshsahoo/nunjucks,devoidfury/nunjucks,fabien/nunjucks,AaronO/nunjucks,oddbird/nunjucks,atorkhov/nunjucks,carljm/nunjucks,devoidfury/nunjucks,robgraeber/nunjucks,internalfx/nunjucks,atorkhov/nunjucks,carljm/nunjucks,robgraeber/nunjucks,kevinschaul/nunjucks,campbellwmorgan/nunjucks,campbellwmorgan/nunjucks,oddbird/nunjucks,pardo/nunjucks,fabien/nunjucks,atorkhov/nunjucks,fabien/nunjucks,robgraeber/nunjucks,vigetlabs/nunjucks,AaronO/nunjucks,rhengles/nunjucks,mozilla/nunjucks,pardo/nunjucks,internalfx/nunjucks,pardo/nunjucks,fabien/nunjucks,santoshsahoo/nunjucks,internalfx/nunjucks,vigetlabs/nunjucks,campbellwmorgan/nunjucks,atorkhov/nunjucks,campbellwmorgan/nunjucks,vigetlabs/nunjucks,kevinschaul/nunjucks,punkave/nunjucks,oddbird/nunjucks,carljm/nunjucks,rhengles/nunjucks,carljm/nunjucks,punkave/nunjucks,mozilla/nunjucks,robgraeber/nunjucks,santoshsahoo/nunjucks,devoidfury/nunjucks,vigetlabs/nunjucks,kevinschaul/nunjucks,santoshsahoo/nunjucks,mozilla/nunjucks,punkave/nunjucks,pardo/nunjucks,AaronO/nunjucks,AaronO/nunjucks,punkave/nunjucks