Warning: this is an htmlized version!
The original is here, and
the conversion rules are here.
[# Comments. #]
[lua:
  print "  We're inside a [lua: ...] block in demo_i.lua."
  print "  Note that stuff outside [htmlize ...] is executed but not rendered."
]
[htmlize [J Some random title]

  [P A paragraph.]

  [P Another, with some text in [BF boldface], [IT italic] and [COLOR
  orange color].]

  [P This is the output of [TT blogme4/demo_i.blogme].]

]