Quicklook highlight isn't cleared for selected texts when followed by another quicklook

Steps to reproduce

1. Select multiple words and do quicklook.

2. Hover over a different word and invoke quicklook again.

3. And again.

Expected behaviour

The first quicklook highlight (ice cream) should clear when the second quicklook is invoked.

Version of MacVim

MacVim r182 (Vim 9.1.1887)

MacVim installation method

MacVim was downloaded from GitHub release and updated via Sparkle.

Environment

macOS: 15.7.3
14" MacBookPro (2023). Apple M2 Pro

Logs and stack traces

Vim and MacVim configuration where issue is reproducable

No response

How was MacVim launched?

• by launching MacVim.app in macOS (by using the Dock, Spotlight, or the open command)
• by running mvim/gvim in the terminal

Issue has been tested with clean configuration

• by running mvim --clean (or gvim, supplied by MacVim distribution). You can also use the File → "New Clean Window" menu item within MacVim.
• by running vim --clean (in terminal, supplied by MacVim distribution)
• by running vim --clean (in terminal, other suppliers, e.g. /usr/bin/vim)

まず、選択されたテキストに対して説明されている手順で quicklook を繰り返し呼び出し、MacVim.app で問題を再現します。次に、MacVim のソースコードで quicklook と highlight の処理を追跡し、その後の quicklook の呼び出しによって以前のハイライトが削除され、現在のハイライトが維持されることを確認します。