Re: address@hidden: buffer name containing a newline corrupts display]

[Kim F. Storm]

Richard Stallman <address@hidden> writes:

> Would someone please investigate this?  I am overloaded just now.
>
> From: YAMAMOTO Mitsuharu <address@hidden>
> Subject: buffer name containing a newline corrupts display
> To: address@hidden
> Date: Sat, 2 Oct 2004 18:58:59 +0900 (JST)
>
> Display gets corrupted if a buffer name contains a newline.
>
>    1. C-x b C-q C-j RET -> The mode line and the scroll bar are erased.
>    2. C-l -> The tool bar is also erased.
>
> Emacs 21.3 handles this case correctly.


Try this patch.

*** xdisp.c     07 Oct 2004 23:46:27 +0200      1.914
--- xdisp.c     12 Oct 2004 01:21:54 +0200      
***************
*** 18693,18698 ****
--- 18696,18705 ----
    Lisp_Object face_name = Qnil;
    int ascent, descent, height, override;
  
+   /* Newline in mode-line */
+   if (NILP (it->object))
+     return Qnil;
+ 
    if (STRINGP (it->object))
      position = make_number (IT_STRING_CHARPOS (*it));
    else

-- 
Kim F. Storm <address@hidden> http://www.cua.dk