class Kramdown::Parser::Kramdown

def parse_block_math
  if !after_block_boundary?
    return false
  elsif @src[1]
    @src.scan(/^#{OPT_SPACE}\\/) if @src[3]
    return false
  end
  orig_pos = @src.pos
  @src.pos += @src.matched_size
  data = @src[2]
  if before_block_boundary?
    @tree.children << new_block_el(:math, data, nil, :category => :block)
    true
  else
    @src.pos = orig_pos
    false
  end
end