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

Readline-Release: 5.2
Patch-ID: readline52-008

Bug-Reported-by:	dAniel hAhler <ubuntu@thequod.de>
Bug-Reference-ID:	<4702ED8A.5000503@thequod.de>
Bug-Reference-URL:	https://bugs.launchpad.net/ubuntu/+source/bash/+bug/119938

Bug-Description:

When updating the display after displaying, for instance, a list of possible
completions, readline will place the cursor at the wrong position if the
prompt contains invisible characters and a newline.

Patch:

*** ../readline-5.2-patched/display.c	Mon Aug  6 14:26:29 2007
--- display.c	Wed Oct 10 22:43:58 2007
***************
*** 1049,1053 ****
  	      else
  		tx = nleft;
! 	      if (_rl_last_c_pos > tx)
  		{
  	          _rl_backspace (_rl_last_c_pos - tx);	/* XXX */
--- 1049,1053 ----
  	      else
  		tx = nleft;
! 	      if (tx >= 0 && _rl_last_c_pos > tx)
  		{
  	          _rl_backspace (_rl_last_c_pos - tx);	/* XXX */
***************
*** 1205,1209 ****
  {
    register char *ofd, *ols, *oe, *nfd, *nls, *ne;
!   int temp, lendiff, wsatend, od, nd;
    int current_invis_chars;
    int col_lendiff, col_temp;
--- 1205,1209 ----
  {
    register char *ofd, *ols, *oe, *nfd, *nls, *ne;
!   int temp, lendiff, wsatend, od, nd, o_cpos;
    int current_invis_chars;
    int col_lendiff, col_temp;
***************
*** 1466,1469 ****
--- 1466,1471 ----
      }
  
+   o_cpos = _rl_last_c_pos;
+ 
    /* When this function returns, _rl_last_c_pos is correct, and an absolute
       cursor postion in multibyte mode, but a buffer index when not in a
***************
*** 1475,1479 ****
       invisible characters in the prompt string.  Let's see if setting this when
       we make sure we're at the end of the drawn prompt string works. */
!   if (current_line == 0 && MB_CUR_MAX > 1 && rl_byte_oriented == 0 && _rl_last_c_pos == prompt_physical_chars)
      cpos_adjusted = 1;
  #endif
--- 1477,1483 ----
       invisible characters in the prompt string.  Let's see if setting this when
       we make sure we're at the end of the drawn prompt string works. */
!   if (current_line == 0 && MB_CUR_MAX > 1 && rl_byte_oriented == 0 && 
!       (_rl_last_c_pos > 0 || o_cpos > 0) &&
!       _rl_last_c_pos == prompt_physical_chars)
      cpos_adjusted = 1;
  #endif
