Fix parsing of non-ASCII chars in lesskey,

broken in 5a7bdc8.

lesskey_parse.c

@@ -163,11 +163,12 @@ init_tables(tables)
 #define CHAR_STRING_LEN 8
 
  static char *
-char_string(buf, ch)
+char_string(buf, ch, lit)
  char *buf;
  int ch;
+ int lit;
 {
- if (ch >= 0x20 && ch < 0x7f)
+ if (lit || (ch >= 0x20 && ch < 0x7f))
  {
  buf[0] = ch;
  buf[1] = '\0';
@@ -213,13 +214,13 @@ tstr(pp, xlate)
  *pp = p;
  if (xlate && ch == CONTROL('K'))
  return tstr_control_k;
- return char_string(buf, ch);
+ return char_string(buf, ch, 1);
  case 'b':
  *pp = p+1;
  return ("\b");
  case 'e':
  *pp = p+1;
- return char_string(buf, ESC);
+ return char_string(buf, ESC, 1);
  case 'n':
  *pp = p+1;
  return ("\n");
@@ -252,7 +253,7 @@ tstr(pp, xlate)
  case 'X': ch = SK_CTL_DELETE; break;
  case '1': ch = SK_F1; break;
  default:
- parse_error("invalid escape sequence \"\\k%s\"", char_string(buf, *p));
+ parse_error("invalid escape sequence \"\\k%s\"", char_string(buf, *p, 0));
  *pp = p+1;
  return ("");
  }
@@ -273,7 +274,7 @@ tstr(pp, xlate)
  * just means that char.
  */
  *pp = p+1;
- char_string(buf, *p);
+ char_string(buf, *p, 1);
  if (xlate && buf[0] == CONTROL('K'))
  return tstr_control_k;
  return (buf);
@@ -283,13 +284,13 @@ tstr(pp, xlate)
  * Caret means CONTROL.
  */
  *pp = p+2;
- char_string(buf, CONTROL(p[1]));
+ char_string(buf, CONTROL(p[1]), 1);
  if (xlate && buf[0] == CONTROL('K'))
  return tstr_control_k;
  return (buf);
  }
  *pp = p+1;
- char_string(buf, *p);
+ char_string(buf, *p, 1);
  if (xlate && buf[0] == CONTROL('K'))
  return tstr_control_k;
  return (buf);
@@ -421,7 +422,7 @@ version_line(s, tables)
  case '=': if (*s == '=') { s++; } break;
  case '!': if (*s == '=') { s++; } break;
  default: 
- parse_error("invalid operator '%s' in #version line", char_string(buf, op));
+ parse_error("invalid operator '%s' in #version line", char_string(buf, op, 0));
  return (NULL);
  }
  s = skipsp(s);