add code for direct IO rendering (currently commented out)
add code for direct IO rendering (currently commented out)

dylex/blaze-markup,jgm/blaze-html,Soostone/blaze-markup-haste,mikehat/blaze-all,mikehat/blaze-all,FranklinChen/blaze-markup,jgm/blaze-html,dylex/blaze-markup,iblech/blaze-html,Soostone/blaze-markup-haste,jgm/blaze-html,Soostone/blaze-html-haste,FranklinChen/blaze-markup,iblech/blaze-html,mikehat/blaze-all