describe-key displays keycode in hexadecimal.

mlwrite assume parameter is unsigned int when doing %x format.
ostring output bytes > 0x7F as unsigned char.

bind.c

@@ -81,7 +81,9 @@ int deskey(int f, int n)
 
     /* get the command sequence to describe
        change it to something we can print as well */
-    cmdstr(c = getckey(FALSE), &outseq[0]);
+    c = getckey( FALSE) ;
+    mlwrite( ": describe-key 0x%x, ", c) ;
+    cmdstr( c, &outseq[ 0]) ;
 
     /* and dump it out */
     ostring(outseq);

display.c

@@ -1456,19 +1456,22 @@ static void mlputs( char *s) {
  */
 static void mlputi( int i, int r) {
 	int q ;
+	unsigned u ;
 	static char hexdigits[] = "0123456789ABCDEF" ;
 
-	if( i < 0) {
-		i = -i ;
+	if( r == 16 || i >= 0)
+		u = i ;
+	else {
+		u = -i ;
 		mlputc( '-') ;
 	}
 
-	q = i / r ;
+	q = u / r ;
 
 	if( q != 0)
 		mlputi( q, r) ;
 
-	mlputc( hexdigits[ i % r]) ;
+	mlputc( hexdigits[ u % r]) ;
 }
 
 /*

input.c

@@ -737,9 +737,9 @@ void outstring(char *s)
  *
  * char *s;     string to output
  */
-void ostring(char *s)
+void ostring( char *s)
 {
     if (discmd)
         while (*s)
-            TTputc(*s++);
+            TTputc( *s++ & 0xFF) ;
 }