in get_word_kbinput(), limit the input word to hexadecimal FFFD instead

of FFFF, as FFFE and FFFF are invalid Unicode characters


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2967 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -260,6 +260,9 @@ CVS code -
 	  the number of lines and characters in the file or selection,
 	  as wc does. (DLR)
 - winio.c:
+  get_word_kbinput()
+	- Limit the input word to hexadecimal FFFD instead of FFFF, as
+	  FFFE and FFFF are invalid Unicode characters. (DLR)
   display_string()
 	- Instead of using parse_mbchar()'s bad_chr parameter, use
 	  mbrep() to get the representation of a bad character. (DLR)

src/winio.c

@@ -1232,7 +1232,7 @@ int get_byte_kbinput(int kbinput
 }
 
 /* Translate a word sequence: turn a four-digit hexadecimal number from
- * 0000 to ffff (case-insensitive) into its corresponding word value. */
+ * 0000 to fffd (case-insensitive) into its corresponding word value. */
 int get_word_kbinput(int kbinput
 #ifndef NANO_SMALL
 	, bool reset
@@ -1303,7 +1303,7 @@ int get_word_kbinput(int kbinput
 		word += (kbinput - '0');
 		retval = word;
 	    } else if ('a' <= tolower(kbinput) &&
-		tolower(kbinput) <= 'f') {
+		tolower(kbinput) <= 'd') {
 		word += (tolower(kbinput) + 10 - 'a');
 		retval = word;
 	    } else