patch 8.1.2034: dark them of GTK 3 not supported
Problem: Dark them of GTK 3 not supported.
Solution: Add the "d" flag in 'guioptions'. (Jonathan Conder, closes #4934)
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 9fa2bfb..4890a98 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -856,6 +856,8 @@
:set background&
< Vim will guess the value. In the GUI this should work correctly,
in other cases Vim might not be able to guess the right value.
+ If the GUI supports a dark them, you can use the "d" flag in
+ 'guioptions', see 'go-d'.
When the |t_RB| option is set, Vim will use it to request the background
color from the terminal. If the returned RGB value is dark/light and
@@ -3740,6 +3742,9 @@
*'go-c'*
'c' Use console dialogs instead of popup dialogs for simple
choices.
+ *'go-d'*
+ 'd' Use dark theme variant if available. Currently only works for
+ GTK+ GUI.
*'go-e'*
'e' Add tab pages when indicated with 'showtabline'.
'guitablabel' can be used to change the text in the labels.