docs: def minify(drop_semi=True):
      """
      Rules for minifying output.
  
      Arguments:
  
      drop_semi
          Drop semicolons whenever possible.  Note that if Dedent and
          OptionalNewline has a handler defined, it will stop final break
          statements from being resolved due to reliance on normalized
          resolution.
  
      """
  
      layout_handlers = {
          OpenBlock: layout_handler_openbrace,
          CloseBlock: layout_handler_closebrace,
          EndStatement: layout_handler_semicolon,
          Space: layout_handler_space_minimum,
          OptionalSpace: layout_handler_space_minimum,
          RequiredSpace: layout_handler_space_imply,
          (Space, OpenBlock): layout_handler_openbrace,
          (Space, EndStatement): layout_handler_semicolon,
          (OptionalSpace, EndStatement): layout_handler_semicolon,
      }
  
      if drop_semi:
          # if these are defined, they should be dropped; should really
          # provide these as a flag.
          # layout_handlers.update({
          #     OptionalNewline: None,
          #     Dedent: None,
          # })
  
          layout_handlers.update({
              EndStatement: layout_handler_semicolon_optional,
  
              # these two rules rely on the normalized resolution
              (OptionalSpace, EndStatement): layout_handler_semicolon_optional,
              (EndStatement, CloseBlock): layout_handler_closebrace,
  
              # this is a fallback rule for when Dedent is defined by
              # some other rule, which won't neuter all optional
              # semicolons.
              (EndStatement, Dedent): rule_handler_noop,
              ((OptionalSpace, EndStatement), CloseBlock):
                  layout_handler_closebrace,
          })
  
      def minify_rule():
          return {
              'layout_handlers': layout_handlers,
              'deferrable_handlers': {
                  Literal: deferrable_handler_literal_continuation,
              },
          }
  
      return minify_rule