diff --git a/src/nvim/eval.c b/src/nvim/eval.cindex dd4ebf7be1..0070357fe1 100644--- a/src/nvim/eval.c+++ b/src/nvim/eval.c@@ -5363,12 +5363,14 @@ pos_T *var2fpos(const typval_T *const tv, const bool dollar_lnum, int *const ret      pos.col = 0;     if (name[1] == '0') {               // "w0": first visible line+      smsg(0, "var2pos('w0', %d)", curwin->handle);       update_topline(curwin);       // In silent Ex mode topline is zero, but that's not a valid line       // number; use one instead.       pos.lnum = curwin->w_topline > 0 ? curwin->w_topline : 1;       return &pos;     } else if (name[1] == '$') {      // "w$": last visible line+      smsg(0, "var2pos('w$', %d)", curwin->handle);       validate_botline(curwin);       // In silent Ex mode botline is zero, return zero then.       pos.lnum = curwin->w_botline > 0 ? curwin->w_botline - 1 : 0;diff --git a/src/nvim/move.c b/src/nvim/move.cindex 762f6b7d51..7cbbdaa0aa 100644--- a/src/nvim/move.c+++ b/src/nvim/move.c@@ -610,9 +610,11 @@ void changed_line_abv_curs_win(win_T *wp) // Make sure the value of wp->w_botline is valid. void validate_botline(win_T *wp) {+  smsg(0, "validate_botline %d, valid %d, botline %d", wp->handle, wp->w_valid, wp->w_botline);   if (!(wp->w_valid & VALID_BOTLINE)) {     comp_botline(wp);   }+  smsg(0, "updated botline %d", wp->w_botline); }  // Mark wp->w_botline as invalid (because of some change in the buffer).

lua vim.lsp.util.open_floating_preview({ '```lua', 'local foo', '```' }, 'markdown', { border = 'single', focus = false, })

validate_botline 1002, valid 0, botline 2updated botline 4var2pos('w0', 1002)validate_botline 1002, valid 0, botline 4updated botline 2var2pos('w$', 1002)validate_botline 1002, valid 248, botline 2updated botline 2validate_botline 1000, valid 255, botline 2updated botline 2validate_botline 1002, valid 248, botline 2updated botline 2