diff -urN vte-0.11.11.orig/src/iso2022.c vte-0.11.11.ambiguous/src/iso2022.c

--- vte-0.11.11.orig/src/iso2022.c	2004-06-22 05:48:30.000000000 +0000

+++ vte-0.11.11.ambiguous/src/iso2022.c	2004-10-09 09:06:30.000000000 +0000

@@ -402,6 +402,13 @@

 		}

 	}

+	/*

+	 * Decide the ambiguous width according to the default region if 

+	 * current locale is UTF-8.

+	 */

+	if (strcmp (codeset, "utf8") == 0)

+	  return _vte_iso2022_ambiguous_width_guess ();

+

 	/* Not in the list => not wide. */

 	return 1;

 }