patch 8.2.2236: 'scroll' option can change when setting the statusline
Problem: 'scroll' option can change when setting the statusline or tabline
but the option context is not updated.
Solution: Update the script context when the scroll option is changed as a
side effect. (Christian Brabandt, closes #7533)
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index db62f8a..4d26df8 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -6321,7 +6321,9 @@
local to window
Number of lines to scroll with CTRL-U and CTRL-D commands. Will be
set to half the number of lines in the window when the window size
- changes. If you give a count to the CTRL-U or CTRL-D command it will
+ changes. This may happen when enabling the |status-line| or
+ 'tabline' option after setting the 'scroll' option.
+ If you give a count to the CTRL-U or CTRL-D command it will
be used as the new value for 'scroll'. Reset to half the window
height with ":set scroll=0".