module Haml::Precompiler

def close_element(value)

the most recently opened tag.
Puts a line in `@precompiled` that will add the closing tag of 
def close_element(value)
  tag, nuke_outer_whitespace, nuke_inner_whitespace = value
  @output_tabs -= 1 unless nuke_inner_whitespace
  @template_tabs -= 1
  rstrip_buffer! if nuke_inner_whitespace
  push_merged_text("</#{tag}>" + (nuke_outer_whitespace ? "" : "\n"),
                   nuke_inner_whitespace ? 0 : -1, !nuke_inner_whitespace)
  @dont_indent_next_line = nuke_outer_whitespace
end