fix(ktl-4438): progress tracking to the Kotlin tour

berezinant · berezinant · commit b49804ac1aaf · 2026-07-08T17:02:32.000+02:00
diff --git a/docs/topics/tour/kotlin-tour-basic-types.md b/docs/topics/tour/kotlin-tour-basic-types.md
@@ -90,7 +90,7 @@ fun main() {
 
 Now that you know how to declare basic types, it's time to learn about [collections](kotlin-tour-collections.md).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise {initial-collapse-state="collapsed" collapsible="true"}
 
diff --git a/docs/topics/tour/kotlin-tour-classes.md b/docs/topics/tour/kotlin-tour-classes.md
@@ -246,7 +246,7 @@ For more information about data classes, see [Data classes](data-classes.md).
 
 The last chapter of this tour is about Kotlin's [null safety](kotlin-tour-null-safety.md).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true"}
 
diff --git a/docs/topics/tour/kotlin-tour-collections.md b/docs/topics/tour/kotlin-tour-collections.md
@@ -418,7 +418,7 @@ For more information on what you can do with collections, see [Collections](coll
 Now that you know about basic types and how to manage collections, it's time to explore the [control flow](kotlin-tour-control-flow.md)
 that you can use in your programs.
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true"}
 
diff --git a/docs/topics/tour/kotlin-tour-control-flow.md b/docs/topics/tour/kotlin-tour-control-flow.md
@@ -382,7 +382,7 @@ For more information and examples of conditional expressions and loops, see [Con
 
 Now that you know the fundamentals of Kotlin control flow, it's time to learn how to write your own [functions](kotlin-tour-functions.md).
 
-## Loops practice {id="mark-as-completed"}
+## Loops practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="loops-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-functions.md b/docs/topics/tour/kotlin-tour-functions.md
@@ -552,7 +552,7 @@ For more information on lambda expressions, see [Lambda expressions and anonymou
 
 The next step in our tour is to learn about [classes](kotlin-tour-classes.md) in Kotlin.
 
-## Lambda expressions practice {id="mark-as-completed"}
+## Lambda expressions practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="lambdas-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-hello-world.md b/docs/topics/tour/kotlin-tour-hello-world.md
@@ -96,7 +96,7 @@ For more information, see [String templates](strings.md#string-templates).
 You will notice that there aren't any types declared for variables. Kotlin has inferred the type itself: `Int`. This tour
 explains the different Kotlin basic types and how to declare them in the [next chapter](kotlin-tour-basic-types.md).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise {initial-collapse-state="collapsed" collapsible="true"}
 
@@ -124,7 +124,7 @@ fun main() {
 
 <seealso></seealso>
 
-<list columns="2" id="tour-nav">
+<list id="tour-nav">
   <li>
     <a as="button" href="kotlin-tour-basic-types.md" mode="classic" icon="arrow-right" icon-position="right">Next step</a>
   </li>
diff --git a/docs/topics/tour/kotlin-tour-intermediate-classes-interfaces.md b/docs/topics/tour/kotlin-tour-intermediate-classes-interfaces.md
@@ -440,7 +440,7 @@ you don't have to add new lines of code for every inherited member function.
 
 For more information, see [Delegation](delegation.md).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="classes-interfaces-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-intermediate-extension-functions.md b/docs/topics/tour/kotlin-tour-intermediate-extension-functions.md
@@ -108,7 +108,7 @@ to help you work with strings.
 
 For more information about extension functions, see [Extensions](extensions.md).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="extension-functions-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-intermediate-lambdas-receiver.md b/docs/topics/tour/kotlin-tour-intermediate-lambdas-receiver.md
@@ -160,7 +160,7 @@ standard library.
 >
 {style="tip"}
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="lambda-receivers-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-intermediate-libraries-and-apis.md b/docs/topics/tour/kotlin-tour-intermediate-libraries-and-apis.md
@@ -165,7 +165,7 @@ fun main() {
 
 This is the easiest way to opt in, but there are other ways. To learn more, see [Opt-in requirements](opt-in-requirements.md).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="libraries-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-intermediate-null-safety.md b/docs/topics/tour/kotlin-tour-intermediate-null-safety.md
@@ -366,7 +366,7 @@ safer by stopping as soon as a `null` value or invalid case is detected.
 
 For more information about how you can use `return` in your code, see [Returns and jumps](returns.md).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="null-safety-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-intermediate-objects.md b/docs/topics/tour/kotlin-tour-intermediate-objects.md
@@ -151,7 +151,7 @@ at this point. The `getBongs()` function is called with parameter `12`.
 
 For more information, see [](object-declarations.md#companion-objects).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="objects-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-intermediate-open-special-classes.md b/docs/topics/tour/kotlin-tour-intermediate-open-special-classes.md
@@ -379,7 +379,7 @@ This can significantly reduce memory footprint and improve your code's runtime p
 
 For more information about inline value classes, see [Inline value classes](inline-classes.md).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="special-classes-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-intermediate-properties.md b/docs/topics/tour/kotlin-tour-intermediate-properties.md
@@ -415,7 +415,7 @@ updating a UI or to perform additional checks, like verifying the validity of da
 
 For more information, see [Observable properties](delegated-properties.md#observable-properties).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="properties-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-intermediate-scope-functions.md b/docs/topics/tour/kotlin-tour-intermediate-scope-functions.md
@@ -415,7 +415,7 @@ of how these functions work in order to use them in your code.
 
 For more information about scope functions, see [Scope functions](scope-functions.md).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="scope-functions-exercise-1"}
 
diff --git a/docs/topics/tour/kotlin-tour-null-safety.md b/docs/topics/tour/kotlin-tour-null-safety.md
@@ -147,7 +147,7 @@ fun main() {
 
 For more information about null safety in Kotlin, see [Null safety](null-safety.md).
 
-## Practice {id="mark-as-completed"}
+## Practice {completion-point="true"}
 
 ### Exercise {initial-collapse-state="collapsed" collapsible="true"}
 

Original file line number	Diff line number	Diff line change
`@@ -160,7 +160,7 @@ standard library.`
`160`	`160`	`>`
`161`	`161`	`{style="tip"}`
`162`	`162`
`163`		`-## Practice {id="mark-as-completed"}`
	`163`	`+## Practice {completion-point="true"}`
`164`	`164`
`165`	`165`	`### Exercise 1 {initial-collapse-state="collapsed" collapsible="true" id="lambda-receivers-exercise-1"}`
`166`	`166`