Support <details> without <summary>

URL

The bottom of the comment in https://tildes.net/~games/160b/any_android_games_that_are_worth_playing_these_days#comment-85o1
https://tildes.net/~talk/145a/unpopular_opinion_wikipedias_old_look_was_much_better_than_the_new_one#comment-7ovd

Screenshot

Description

Whenever a <details> element with no <summary> is encountered, Link Hints does not add a hint to the default "Details" text of the element. I can also reproduce it here: t.html.gz

Debug info

```json { "version": "1.3.1", "browser": "firefox", "userAgent": "Mozilla/5.0 (X11; Linux x86_64; rv:113.0) Gecko/20100101 Firefox/113.0", "browserInfo": { "name": "Firefox", "vendor": "LibreWolf", "version": "113.0.2-1", "buildID": "20230531125735" }, "platformInfo": { "os": "linux", "arch": "x86-64" }, "storage.sync": { "normal.ctrl-j": "EnterHintsMode_Click", "normal.ctrl-k": "EnterHintsMode_BackgroundTab", "normal.ctrl-J": "EnterHintsMode_ManyClick", "normal.ctrl-K": "EnterHintsMode_ManyTab", "normal.ctrl-L": "EnterHintsMode_Select", "normal.ctrl-:": "EnterHintsMode_ForegroundTab", "debug.Background.PREFER_WINDOWS": false, "debug.ElementManager.ROLES_CLICKABLE": [ "button", "checkbox", "link", "menuitem", "menuitemcheckbox", "menuitemradio", "option", "radio", "searchbox", "spinbutton", "switch", "tab", "textbox" ], "hints.ctrl-Enter": "ActivateHintAlt", "debug.ElementManager.ATTRIBUTES_CLICKABLE": [ "aria-checked", "aria-selected", "data-dismiss", "data-ember-action", "data-image-url", "data-line-number", "data-permalink-path" ], "debug.ElementManager.REGEX_CLICKABLE_CLASS": "\\bcm-|ͼ|\\bmtk|sparkline-year-label|js-wiki-toggle-collapse" }, "storage.local": { "tutorialShown": true }, "language": "en-US" } ```

lydell / LinkHints