2.1.28, initiation update to PXT v5.28.24 (#54)

docs/reference/basic/forever.md

@@ -8,46 +8,47 @@ basic.forever(() => {
 })
 ```
 
-### Example: compass
+## Example: compass
 
 The following example constantly checks the 
 [compass heading](/reference/input/compass-heading) 
 and updates the screen with the direction.
 
 ```blocks
+let degrees = 0
 basic.forever(() => {
-    let heading = input.compassHeading()
-    if (heading < 45) {
-        basic.showString("N", 100)
-    } else if (heading < 135) {
-        basic.showString("E", 100)
-    }
-    else if (heading < 225) {
-        basic.showString("S", 100)
-    }
-    else {
-        basic.showString("W", 100)
+    degrees = input.compassHeading()
+    if (degrees < 45) {
+        basic.showString("N")
+    } else if (degrees < 135) {
+        basic.showString("E")
+    } else if (degrees < 225) {
+        basic.showString("S")
+    } else if (degrees < 315) {
+        basic.showString("W")
+    } else {
+        basic.showString("N")
     }
 })
 ```
 
-### Example: counter
+## Example: counter
 
-The following example keeps showing the [number](/reference/types/number) stored in a global variable.
+The following example keeps showing the [number](/types/number) stored in a global variable.
 When you press button `A`, the number gets bigger.
 You can use a program like this to count things with your @boardname@.
 
 ```blocks
 let num = 0
 basic.forever(() => {
-    basic.showNumber(num, 150)
+    basic.showNumber(num)
 })
 input.onButtonPressed(Button.A, () => {
     num = num + 1
 })
 ```
 
-### Competing for the LED screen
+## Competing for the LED screen
 
 If different parts of a program are each trying 
 to show something on the LED screen at the same time, 
@@ -56,14 +57,14 @@ Try this on your @boardname@:
 
 ```blocks
 basic.forever(() => {
-    basic.showNumber(6789, 150)
+    basic.showNumber(6789)
 })
 input.onButtonPressed(Button.A, () => {
-    basic.showNumber(2, 150)
+    basic.showNumber(2)
 })
 ```
 
-### See also
+## See also
 
 [while](/blocks/loops/while), [on button pressed](/reference/input/on-button-pressed), [in background](/reference/control/in-background)