To: vim_dev@googlegroups.com
Subject: Patch 8.2.2644
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 8.2.2644
Problem:    prop_clear() causes a screen update even when nothing changed.
Solution:   Only redraw when a property was cleared. (Dominique Pellé)
Files:      src/textprop.c


*** ../vim-8.2.2643/src/textprop.c	2021-03-21 22:29:47.210542590 +0100
--- src/textprop.c	2021-03-22 19:41:11.656505737 +0100
***************
*** 535,540 ****
--- 535,541 ----
      linenr_T end = start;
      linenr_T lnum;
      buf_T    *buf = curbuf;
+     int	    did_clear = FALSE;
  
      if (argvars[1].v_type != VAR_UNKNOWN)
      {
***************
*** 562,567 ****
--- 563,569 ----
  	len = STRLEN(text) + 1;
  	if ((size_t)buf->b_ml.ml_line_len > len)
  	{
+ 	    did_clear = TRUE;
  	    if (!(buf->b_ml.ml_flags & ML_LINE_DIRTY))
  	    {
  		char_u *newtext = vim_strsave(text);
***************
*** 575,581 ****
  	    buf->b_ml.ml_line_len = (int)len;
  	}
      }
!     redraw_buf_later(buf, NOT_VALID);
  }
  
  /*
--- 577,584 ----
  	    buf->b_ml.ml_line_len = (int)len;
  	}
      }
!     if (did_clear)
! 	redraw_buf_later(buf, NOT_VALID);
  }
  
  /*
*** ../vim-8.2.2643/src/version.c	2021-03-22 19:37:02.545019774 +0100
--- src/version.c	2021-03-22 19:42:13.260375683 +0100
***************
*** 752,753 ****
--- 752,755 ----
  {   /* Add new patch number below this line */
+ /**/
+     2644,
  /**/

-- 
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19. All of your friends have an @ in their names.

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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