correct SLEEPONEXIT reference link

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Peter Taylor 2020-04-13 09:32:49 -06:00 committed by GitHub
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@ -70,7 +70,7 @@ so it must run forever.
When no `idle` function is declared, the runtime sets the [SLEEPONEXIT] bit and
then sends the microcontroller to sleep after running `init`.
[SLEEPONEXIT]: https://developer.arm.com/products/architecture/cpu-architecture/m-profile/docs/100737/0100/power-management/sleep-mode/sleep-on-exit-bit
[SLEEPONEXIT]: https://developer.arm.com/docs/100737/0100/power-management/sleep-mode/sleep-on-exit-bit
Like in `init`, `static mut` variables will be transformed into `&'static mut`
references that are safe to access.