make the UTF-8 character reading support work in more instances

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1991 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -71,8 +71,8 @@ CVS code -
 	  suggested by Bill Soudan)
 	- Remove the -D/--dos and -M/--mac command line options, as they
 	  aren't much use with the new file format autodetection. (DLR)
-	- Add support for reading in UTF-8 sequences to some of the
-	  low-level input routines.  Changes to get_kbinput() and
+	- Add support for reading in UTF-8 sequences to the low-level
+	  input routines.  Changes to get_kbinput() and
 	  get_translated_kbinput(). (DLR)
 - files.c:
   do_insertfile()

src/winio.c

@@ -376,12 +376,6 @@ int get_translated_kbinput(int kbinput, seq_type *seq
 			    break;
 #endif
 			default:
-			    /* A character with its high bit set: UTF-8
-			     * sequence mode.  Set seq to UTF8_SEQ. */
-			    if ((-128 <= kbinput && kbinput < 0) ||
-				(127 < kbinput && kbinput <= 255))
-				*seq = UTF8_SEQ;
-
 			    retval = kbinput;
 			    break;
 		    }
@@ -461,6 +455,11 @@ int get_translated_kbinput(int kbinput, seq_type *seq
 	    }
     }
 
+    /* A character other than ERR with its high bit set: UTF-8 sequence
+     * mode.  Set seq to UTF8_SEQ. */
+    if (retval != ERR && 127 < retval && retval <= 255)
+	*seq = UTF8_SEQ;
+
 #ifdef DEBUG
     fprintf(stderr, "get_translated_kbinput(): kbinput = %d, seq = %d, escapes = %d, ascii_digits = %lu, retval = %d\n", kbinput, (int)*seq, escapes, (unsigned long)ascii_digits, retval);
 #endif