Update runtime files
diff --git a/runtime/doc/popup.txt b/runtime/doc/popup.txt
index b4d7702..6645a7b 100644
--- a/runtime/doc/popup.txt
+++ b/runtime/doc/popup.txt
@@ -1,4 +1,4 @@
-*popup.txt* For Vim version 8.2. Last change: 2021 Nov 29
+*popup.txt* For Vim version 8.2. Last change: 2022 Jan 08
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -54,7 +54,7 @@
The size can be up to the whole Vim window and it overlaps other windows.
Popup windows can also overlap each other. The "zindex" property specifies
what goes on top of what.
-
+ *E366*
The popup window contains a buffer, and that buffer is always associated with
the popup window. The window cannot be in Normal, Visual or Insert mode, it
does not get keyboard focus. You can use functions like `setbufline()` to
@@ -262,7 +262,7 @@
popup_create({what}, {options}) *popup_create()*
- Open a popup window showing {what}, which is either:
+ Open a popup window showing {what}, which is either: *E450*
- a buffer number
- a string
- a list of strings