patch 8.1.1329: plans for popup window support are spread out
Problem: Plans for popup window support are spread out.
Solution: Add a first version of the popup window help.
diff --git a/runtime/doc/help.txt b/runtime/doc/help.txt
index c8ff75a..c2c9c1c 100644
--- a/runtime/doc/help.txt
+++ b/runtime/doc/help.txt
@@ -143,6 +143,7 @@
|remote.txt| using Vim as a server or client
|term.txt| using different terminals and mice
|terminal.txt| Terminal window support
+|popup.txt| popop window support
Programming language support ~
|indent.txt| automatic indenting for C and other languages