patch 8.1.1779: not showing the popup window right border is confusing commit https://github.com/vim/vim/commit/8edf0e31323a4293524f51f2960f4f3064309526 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 30 21:19:26 2019 +0200 patch 8.1.1779: not showing the popup window right border is confusing Problem: Not showing the popup window right border is confusing. Solution: Also show the border when 'wrap' is off. (closes https://github.com/vim/vim/issues/4747)

--- a/src/popupwin.c
+++ b/src/popupwin.c
@@ -1076,7 +1076,9 @@ popup_adjust_position(win_T *wp)
 	}
     }
 
-    if (wp->w_p_wrap)
+    if (wp->w_p_wrap || (!wp->w_popup_fixed
+			    && (wp->w_popup_pos == POPPOS_TOPLEFT
+				|| wp->w_popup_pos == POPPOS_BOTLEFT)))
     {
 	int want_col = 0;