correction: in mbwidth(), use the width of Unicode U+FFFD (Replacement

Character) instead of hardcoding a width of one for unprintable
characters


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3103 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -76,9 +76,9 @@ CVS code -
 - chars.c:
   mbwidth()
 	- If wcwidth() returns -1 for the character passed in, treat the
-	  character as being one column wide instead of zero columns
-	  wide, since there are display problems that crop up with the
-	  latter approach. (DLR)
+	  character as having the width of Unicode U+FFFD (Replacement
+	  Character) instead of having zero width, since there are
+	  display problems that crop up with the latter approach. (DLR)
 - files.c:
   read_file()
 	- Remove apparently unneeded logic to handle a case where

src/chars.c

@@ -300,7 +300,7 @@ int mbwidth(const char *c)
 	width = wcwidth(wc);
 
 	if (width == -1)
-	    width = 1;
+	    width = wcwidth(bad_wchar);
 
 	return width;
     } else