patch 8.1.1431: popup window listed as "Scratch"

Problem:    Popup window listed as "Scratch".
Solution:   List them as "Popup".
diff --git a/runtime/doc/popup.txt b/runtime/doc/popup.txt
index ad30e58..add61ac 100644
--- a/runtime/doc/popup.txt
+++ b/runtime/doc/popup.txt
@@ -85,11 +85,11 @@
 
 IMPLEMENTATION:
 - Code is in popupwin.c
-- Implement the "pos" option.
 - Implement filter.
   Check that popup_close() works in the filter.
+- Implement padding
+- Implement border
 - Handle screen resize in screenalloc().
-- show [Popup] instead of [Scratch] in ":ls!"
 - Make redrawing more efficient and avoid flicker.
     Store popup info in a mask, use the mask in screen_line()
     Fix redrawing problem with completion.
@@ -287,6 +287,8 @@
 	call setwinvar(winid, '&wrap', 0)
 And options can be set on the buffer with `setbufvar()`, e.g.: >
 	call setbufvar(winbufnr(winid), '&filetype', 'java')
+Note that this does not trigger autocommands.  Use `win_execute()` if you do
+need them.
 
 
 POPUP_CREATE() ARGUMENTS				*popup_create-usage*
@@ -320,7 +322,6 @@
 			Alternatively "center" can be used to position the
 			popup in the center of the Vim window, in which case
 			"line" and "col" are ignored.
-			{not implemented yet}
 	flip		when TRUE (the default) and the position is relative
 			to the cursor, flip to below or above the cursor to
 			avoid overlap with the |popupmenu-completion| or
@@ -342,7 +343,6 @@
 			popup, on top of any border
 			{not implemented yet}
 	wrap		TRUE to make the lines wrap (default TRUE)
-			{not implemented yet}
 	highlight	highlight group name to use for the text, stored in
 			the 'wincolor' option
 	padding		list with numbers, defining the padding
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index 187d00e..dca9dbf 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt*   For Vim version 8.1.  Last change: 2019 May 18
+*windows.txt*   For Vim version 8.1.  Last change: 2019 May 30
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1030,6 +1030,13 @@
 		thus you can always go to a specific buffer with ":buffer N"
 		or "N CTRL-^", where N is the buffer number.
 
+		For the file name these special values are used:
+			[Prompt]	|prompt-buffer|
+			[Popup]		buffer of a |popup-window|
+			[Scratch]	'buftype' is "nofile"
+			[No Name]	no file name specified
+		For a |terminal-window| buffer the status is used.
+
 		Indicators (chars in the same column are mutually exclusive):
 		u	an unlisted buffer (only displayed when [!] is used)
 			   |unlisted-buffer|