vim-patch:fd4e47e: runtime(doc): clarify the effect of 'startofline' option (#30701)

fixes: vim/vim#15794

fd4e47e06b

Co-authored-by: Christian Brabandt <cb@256bit.org>

src/nvim/options.lua

@@ -8075,7 +8075,8 @@ return {
         non-blank of the line.  When off the cursor is kept in the same column
         (if possible).  This applies to the commands:
         - CTRL-D, CTRL-U, CTRL-B, CTRL-F, "G", "H", "M", "L", "gg"
-        - "d", "<<" and ">>" with a linewise operator
+        - "d", "<<", "==" and ">>" with a linewise operator
+          (|operator-resulting-pos|)
         - "%" with a count
         - buffer changing commands (CTRL-^, :bnext, :bNext, etc.)
         - Ex commands that only have a line number, e.g., ":25" or ":+".