diff -r -c rubber-0.99.7.orig/src/__init__.py rubber-0.99.7/src/__init__.py
*** rubber-0.99.7.orig/src/__init__.py	2004-02-16 22:33:47.000000000 +0900
--- rubber-0.99.7/src/__init__.py	2004-03-22 17:07:08.650376984 +0900
***************
*** 82,87 ****
--- 82,90 ----
  		"""
  		return self.objects[name]
  
+ 	def has_key (self, name):
+ 		return self.objects.has_key(name)
+ 
  	def register (self, name, dict={}):
  		"""
  		Attempt to register a package with the specified name. If a module is
***************
*** 503,509 ****
  		else:
  			lst = string.split(cmd, ".", 1)
  			if len(lst) > 1:
! 				if modules.has_key(lst[0]):
  					self.modules[lst[0]].command(lst[1], arg)
  			else:
  				self.msg.info(pos, _("unknown directive '%s'") % cmd)
--- 506,512 ----
  		else:
  			lst = string.split(cmd, ".", 1)
  			if len(lst) > 1:
! 				if self.modules.has_key(lst[0]):
  					self.modules[lst[0]].command(lst[1], arg)
  			else:
  				self.msg.info(pos, _("unknown directive '%s'") % cmd)
diff -r -c rubber-0.99.7.orig/src/modules/lhs2TeX.py rubber-0.99.7/src/modules/lhs2TeX.py
*** rubber-0.99.7.orig/src/modules/lhs2TeX.py	2003-10-28 05:04:41.000000000 +0900
--- rubber-0.99.7/src/modules/lhs2TeX.py	2004-03-22 17:07:53.261595048 +0900
***************
*** 21,31 ****
  		self.env = env
  		self.source = source
  		self.target = target
! 		self.cmd = ["lhs2TeX", "-math", source]
  
  	def run (self):
  		self.env.msg(0, _("pretty-printing %s...") % self.source)
! 		out = open(target, 'w')
  		def w (line, file=out):
  		  file.write(line)
  		  file.flush()
--- 21,31 ----
  		self.env = env
  		self.source = source
  		self.target = target
! 		self.cmd = ["lhs2TeX", "-poly", source]
  
  	def run (self):
  		self.env.msg(0, _("pretty-printing %s...") % self.source)
! 		out = open(self.target, 'w')
  		def w (line, file=out):
  		  file.write(line)
  		  file.flush()
***************
*** 48,54 ****
  		else:
  			self.clean_tex = 0
  		env.convert.add_rule("(.*)\\.tex$", "\\1.lhs", "lhs2TeX")
! 		self.style = "-math"
  
  	def make (self):
  		"""
--- 48,54 ----
  		else:
  			self.clean_tex = 0
  		env.convert.add_rule("(.*)\\.tex$", "\\1.lhs", "lhs2TeX")
! 		self.style = "-poly"
  
  	def make (self):
  		"""