add

docs/examples/index.md

@@ -508,4 +508,27 @@ tags on separate lines and adding new lines between the tags and the content.
 
     数学公式模块没有配置！
 
-[Ref](https://squidfunk.github.io/mkdocs-material/reference/math)
+[Ref](https://squidfunk.github.io/mkdocs-material/reference/math)
+
+## Tooltips
+
+### Link with tooltip, inline syntax
+
+[Hover me](https://example.com "I'm a tooltip!")
+
+### Link with tooltip, reference syntax
+
+[Hover me][example]
+
+  [example]: https://example.com "I'm a tooltip!"
+
+### Icon with tooltip
+
+:material-information-outline:{ title="Important information" }
+
+### Text with abbreviations
+
+The HTML specification is maintained by the W3C.
+
+*[HTML]: Hyper Text Markup Language
+*[W3C]: World Wide Web Consortium