2008-08-03  Bruno Haible  <bruno@clisp.org>

	* x-python.c (mixed_string_buffer_append): Replace a lone high
	surrogate with U+FFFD.
	Reported by Yann <asterix@lagaule.org>
	via Santiago Vila <sanvila@unex.es>.

*** gettext-tools/src/x-python.c	20 Apr 2008 05:23:52 -0000	1.32
--- gettext-tools/src/x-python.c	3 Aug 2008 19:56:58 -0000
***************
*** 930,935 ****
--- 930,940 ----
  
  	  if (c >= UNICODE (0xd800) && c < UNICODE (0xdc00))
  	    bp->utf16_surr = UNICODE_VALUE (c);
+ 	  else if (c >= UNICODE (0xdc00) && c < UNICODE (0xe000))
+ 	    {
+ 	      /* A half surrogate is invalid, therefore use U+FFFD instead.  */
+ 	      mixed_string_buffer_append_unicode (bp, 0xfffd);
+ 	    }
  	  else
  	    mixed_string_buffer_append_unicode (bp, UNICODE_VALUE (c));
  	}