[Bug-readline] Readline-5.2 Official Patch 1

[Chet Ramey]

                           READLINE PATCH REPORT
                           =====================

Readline-Release: 5.2
Patch-ID: readline52-001

Bug-Reported-by:        address@hidden
Bug-Reference-ID:       <address@hidden>
Bug-Reference-URL:      
http://lists.gnu.org/archive/html/bug-bash/2006-11/msg00017.html
                        
http://lists.gnu.org/archive/html/bug-bash/2006-11/msg00016.html

Bug-Description:

In some cases, code that is intended to be used in the presence of multibyte
characters is called when no such characters are present, leading to incorrect
display position calculations and incorrect redisplay.

Patch:

*** ../readline-5.2/display.c   Thu Sep 14 14:20:12 2006
--- display.c   Mon Nov 13 17:55:57 2006
***************
*** 2381,2384 ****
--- 2409,2414 ----
    if (end <= start)
      return 0;
+   if (MB_CUR_MAX == 1 || rl_byte_oriented)
+     return (end - start);
  
    memset (&ps, 0, sizeof (mbstate_t));

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                       Live Strong.  No day but today.
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/