feat: Support anchor macro

README.md

@@ -384,6 +384,9 @@ By default, mark provides several built-in templates and macros:
   - OutputType: Determines whether the content of the Excerpt macro body is displayed on a new line or inline (optional, options: "BLOCK" or "INLINE", default: BLOCK)
   - Hidden: Hide the excerpt content (optional, default: false)
 
+* template: `ac:anchor` to set an anchor inside a page
+  - Anchor: Text for the anchor
+
 * macro `@{...}` to mention user by name specified in the braces.
 
 ## Template & Macros Usecases

pkg/mark/stdlib/stdlib.go

@@ -294,6 +294,14 @@ func templates(api *confluence.API) (*template.Template, error) {
 			`</ac:structured-macro>{{printf "\n"}}`,
 		),
 
+		/* https://confluence.atlassian.com/conf59/anchor-macro-792499068.html */
+
+		`ac:anchor`: text(
+			`<ac:structured-macro ac:name="anchor">{{printf "\n"}}`,
+			`<ac:parameter ac:name="">{{ .Anchor }}</ac:parameter>{{printf "\n"}}`,
+			`</ac:structured-macro>{{printf "\n"}}`,
+		),
+
 		// TODO(seletskiy): more templates here
 	} {
 		templates, err = templates.New(name).Parse(body)