patch 8.1.1714: cannot preview a file in a popup window
Problem: Cannot preview a file in a popup window.
Solution: Add the 'previewpopup' option.
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index ad50bfc..7549ed8 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -5627,7 +5627,16 @@
{not available when compiled without the |+windows| or
|+quickfix| features}
Default height for a preview window. Used for |:ptag| and associated
- commands. Used for |CTRL-W_}| when no count is given.
+ commands. Used for |CTRL-W_}| when no count is given. Not used when
+ 'previewpopup' is set.
+
+ *'previewpopup'* *'pvp'*
+'previewpopup' 'pvp' string (default empty)
+ global
+ {not available when compiled without the |+windows|,
+ |+textprop| or |+quickfix| feature}
+ When not empty a popup window is used for commands that would open a
+ preview window. See |preview-popup|.
*'previewwindow'* *'nopreviewwindow'*
*'pvw'* *'nopvw'* *E590*