return markdown headings to preserve structure

crates/compiler/builtins/roc/Dict.roc

@@ -34,7 +34,7 @@ interface Dict
 ## A [dictionary](https://en.wikipedia.org/wiki/Associative_array) that lets you
 ## associate keys with values.
 ##
-## **Inserting**
+## ## Inserting
 ##
 ## The most basic way to use a dictionary is to start with an empty one and
 ## then:
@@ -54,7 +54,7 @@ interface Dict
 ##     |> Dict.insert "Delhi" 16_787_941
 ##     |> Dict.insert "Amsterdam" 872_680
 ## ```
-## **Accessing keys or values**
+## ## Accessing keys or values
 ##
 ## We can use [Dict.keys] and [Dict.values] functions to get only the keys or
 ## only the values.
@@ -63,7 +63,7 @@ interface Dict
 ## order. This will be true if all you ever do is [Dict.insert] and [Dict.get] operations
 ## on the dictionary, but [Dict.remove] operations can change this order.
 ##
-## **Removing**
+## ## Removing
 ##
 ## We can remove an element from the dictionary, like so:
 ## ```

crates/compiler/builtins/roc/List.roc

@@ -95,7 +95,7 @@ interface List
 ## Under the hood, a list is a record containing a `len : Nat` field, a `capacity : Nat`
 ## field, and a pointer to a reference count and a flat array of bytes.
 ##
-## **Shared Lists**
+## ## Shared Lists
 ##
 ## Shared lists are [reference counted](https://en.wikipedia.org/wiki/Reference_counting).
 ##

crates/compiler/builtins/roc/Num.roc

@@ -175,7 +175,7 @@ interface Num
 ## In this way, the [Num] type makes it possible to have `1 + 0x1` return
 ## `2 : Int *` and `1.5 + 1.5` return `3.0 : Frac`.
 ##
-## **Number Literals**
+## ## Number Literals
 ##
 ## Number literals without decimal points (like `0`, `4` or `360`)
 ## have the type `Num *` at first, but usually end up taking on
@@ -951,7 +951,9 @@ pow : Frac a, Frac a -> Frac a
 ##
 ## Num.exp 5 6
 ## ```
-## **Performance Note:** Be careful! It is very easy for this function to produce an answer
+## ## Performance Details 
+## 
+## Be careful! It is very easy for this function to produce an answer
 ## so large it causes an overflow.
 powInt : Int a, Int a -> Int a
 

crates/compiler/builtins/roc/Str.roc

@@ -1,5 +1,5 @@
 ##
-## **Working with Unicode strings in Roc.**
+## ## Working with Unicode strings in Roc
 ##
 ## Unicode can represent text values which span multiple languages, symbols, and emoji.
 ## Here are some valid Roc strings: